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34,222 results in File Exchange

Euler-Lagrange tool package

Version 1.5.0.0 by Mischa Kim

Use the Euler-Lagrange equation to derive differential equations

Use the Euler-Lagrange tool to derive differential equations based on the system Lagrangian. The Lagrangian is defined symbolically in terms of the generalized coordinates and velocities, and the

- EulerLagrange Derives the system differential equations based on the
- Pendulum_demo This demo illustrates the usage of the EulerLagrange tool
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  • 24 Oct 2016

Euler-Lagrange Solver

Version 1.0.2 by Morten Veng

A function that solves the Euler-Lagrange Equations using the Symbolic Math Toolbox.

A function that solves the Euler-Lagrange Equations using the Symbolic Math Toolbox. It comes with three examples: 1) a generic point-mass model, 2) a 6-DOF quadrotor model and 3) an inverted

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  • 7 Jul 2021

Euler–Lagrange equation

Version 1.0.0.1 by Hitoshi Takeshita

Solve Euler–Lagrange equation automatically.

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  • 1 Sep 2016

Physical modeling in academia: the rotary pendulum with low-cost hardware

Version 1.2.0.1 by Mischa Kim

Model, analyze and deploy the rotary pendulum system

implementation models for LEGO Mindstorms NXT and EV3, a video showing the controlled LEGO system in action, and a hardware construction manual. For the traditional modeling approach the Euler-Lagrange tool is

- EulerLagrange Derives the system differential equations based on the
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  • 1 Sep 2016

Matlab Euler-Lagrange Library

Version 1.5 by mansour torabi

Using this library one can derive differential equations for any dynamic systems and solve response of the system for a given conditions.

Matlab: Euler-Lagrange Library for Derving Equations of Dynamic SystemsUsing the above library, one can derive differential equations for any dynamic systems and solve response of the system for a

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  • 16 Jul 2024

Multi-Pendulum simulation

Version 1.2.0.0 by Tillmann Stübler

Simulation of a multi-pendulum for any number of segments.

derived from Euler-Lagrange equations. The multi pendulum is a beautiful example of how a simple physical system can produce unpredictable, chaotic behaviour. It's also a nice example of using

  • 442 (All time)
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  • 21 Nov 2016

Dynamics Simulator for Kinematic Chains

Version 1.0.0.0 by Bassam Jalgha

This is a library that performs a dynamics simulation of a robotic arm.

The library is a basic dynamic simulator for kinematic chains. You just need to provide the symbolic Denavit-Hartenber parameter matrix. 'ComputeDynamics' function uses the Euler-Lagrange method to

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  • 22 Aug 2011

Double Pendulum

Version 1.0.0 by Mohammad alshikh khalil

A double pendulum consists of one pendulum attached to another.

A double pendulum movement simulation using Matlab script editor by solving the Euler-Lagrange differential equations for theta1 and theta2

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  • 25 Jan 2021

Kinematic Filtering for human and robot Trajectories

Version 1.0.0.0 by Yaron Meirovitch

Kinematic Filtering computes the smoothest trajectory representing the noisy input trajectory

those constraints.===== Algorithm [2] ========Solving boundary value problem for the Euler-Lagrange Equations of the jerk-accuracy functional.[x, y, ... ]=filter_JA(trj_ns); filter_JA computes the

- This is a first version of optimal kinematic filtering (IEEE T-RO Meirovitch et al., 2016).
- This is a demo showing how to call Jerk-Accuracy filtering on noisy
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  • 22 Dec 2016

Lagrange Mechanics

Version 1.5.0.0 by Peter van Alem

Simulation of double and coupled pendulum

Simulation of motion of pendula (2D & 3D) by solving Euler Lagrange equations

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  • 24 Aug 2024

Euclidian projection on ellipsoid and conic

Version 1.4.0.0 by Bruno Luong

Projecting a point on ellipsoid or conic in n-dimensional space

center.Or on generalized conic E = { x : x'*A*x + b'*x + c = 0 }.The projection is the minimization problem: min | x - P | (or max | x - P|) for x in E.Method: solve the Euler Lagrange equation with respect

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  • 25 May 2010

13 DOF motorcycle model W. Ooms

Version 1.0.0.0 by Lucas Tassilo Scharbrodt

create and watch realistic simulations of motorcycle maneuvers - theoretical mechanics

Yamaha FJR 1300). The motorcycle parts are rear wheel, swingarm, main body, steering head, front fork and front wheel. Using the Euler-Lagrange formalism of classical mechanics 13 second order non linear

- - input of q and qd so that tire forces and alphas and kappas can be
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  • 9 Jul 2018

Gyroscope-Gyrocompass

Version 1.5.0.0 by karlosgk

Numerical solution of gyroscope-gyrocompass Lagrange equations

The mfile 'gyroscope_plot' produces:-Generalized coordinates, velocities/time (euler angles 313)-Phase subspaces-State space -Energies/time-Generalized momenta/time-Simulation: symmetry axis pathThe

- Generalized coorditates are Euler angles 3-1-3 (ph)-preccesion,(th)-nutation, (ps)-spin
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  • 17 Jan 2013

motorcycle model

Version 1.2.0.0 by Wesley

13 dof motorcycle model

- - input of q and qd so that tire forces and alphas and kappas can be
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  • 7 (Last 30 days)
  • 4.4 / 5
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  • 4 Apr 2012

Spherical-Robot-Norma-Dynemics

Version 1.0.1 by Saeed Moazami

This file represents the dynamics of Norma, a spherical robot. Please refer to https://arxiv.org/pdf/1908.02243 for more details

turning maneuvers as a nonholonomic robot. The advantage of the proposed mechanical design lies in its convenience of physical implementation, agility, and accurate mathematical model. The Euler Lagrange

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  • 13 Jul 2021

animated spinning top with Cardan mounting

Version 1.1.0.0 by Alexander Erlich

Plots an animated spinning top with Cardan mounting from raw animation data.

The 3D animation is created using the surf and drawnow commands. An example animation file is provided. The rotation is based on Euler/Cardan angles and performed with individually computed rotation

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  • 1 Aug 2010

Animated Double Pendulum

Version 1.1.0.0 by Alexander Erlich

Show animation of the double pendulum's (mostly) chaotic behavior.

  • 13.1K (All time)
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  • 4.3 / 5
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  • 4 Oct 2010

Rigid motions and robotics toolbox

Version 1.1 by Antonio Tristán Vega

3D rigid transforms and robotics with quaternions and dual quaternions (OO interface)

capabilities of the toolbox include: + Newton-Euler recursive dynamics, i.e. finding forces and torques at each joint from known kinematics. + Lagrange-Euler dynamics, i.e. matrix

- http://es.mathworks.com/help/matlab/matlab_oop/class-attributes.html
- Simple test for the SCORBOT ER 4u-related software
- http://es.mathworks.com/help/matlab/matlab_oop/class-attributes.html
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  • 28 Mar 2017

Belocerkowski-Davidov method for solving gas dynamical system.

Version 1.0.0.0 by ilia

This program is the part of my BC work.

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  • 16 Jun 2009

Numerical Methods

Version 1.0.0.0 by Mohammad Daneshian

This repository contains mathematic numerical calculations

1-curve fitting & interpolations : Lagrange Interpolation, linear interpolation, linear regression, newton_interpolation1, quadratic interpolation2-integration & derivation

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  • 5 Jan 2021

Several kinds of Mathematical examples!

Version 1.0.0.0 by Giovani Tonel

Here there are several kinds of Mathematical problems!

Chapter II/SECTION 1/2/3bld020101.m Interpolation of 1/(1 + x*x)bld020102.m Lagrange polynomials for n = 3bld020103.m Example for Bezier polynomial of degree n = 3bld020104.m Hermite polynomials for

- BILD026C, Euler explizit: Stabilitaetsbereich
- BILD024, Loesung DGL in dgl.m mit Euler Explizit
- Beispiel zum D'Alembert-Lagrange-Prinzip
- BILD018, Lagrange-Grundpolynome fuer n = 3
- Berechnet ARENSTORF-Orbits mit Mondmasse MU = 0
- BILD030101, Beispiel 1, Dennis-Schnabel
- BILD019, Hermite-Grundpolynome fuer n = 3 , H_0i
- natuerlicher kubischer Interpolations-Spline
- Beispiel fuer Bezier-Polynom vom Grad n = 3
- Bubble-Funktion
- berechnet Bezier-Polygon p (auf [0,1]) gegeben durch Bezier-Punkte b
- kubisches Hermite-Polynom
- BILD020202.M, Tschebyscheff-Polynome fuer n = 3
- BILD052, Slater-Bedingung
- Testen der Orientierung beim QR-Algorithmus
- BILD037, Beispiel 1, Dennis-Schnabel
- Rechnung fuer Kepler-Problem
- bld040102, Legendre-Transformation
- Zeichnet geschlossene Spline-Kurve
- Legendre-Polynome
- Beispiel zur Poisson-Gleichung
- Abb. 156, Fortsetzung nach Allgower-Georg
- BILD019B, Hermite-Grundpolynome fuer n = 3, H_1i
- BILD029A, Stabilitaetsbereiche der expliziten ADAMS-Verfahren
- Paraboloid-Koordinaten
- BILD029B, Stabilitaetsbereiche der impliziten ADAMS-Verfahren
- Pitchfork-Bifurkation
- POISSON-Gleichung, Geometriedaten
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  • 2 Aug 2007

Computing Lagrange points L1-L3

Version 1.0.3 by Bill McKeeman

Detailed computation and discussion of Lagrange Points L1-L3 and a few words about L4-L5.

The placement of the JWST (Hubble follow-on telescope) at Lagrange Point L2 has increased interest in these unusual points in space. They were first mentioned by Euler and carefully analyzed by

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  • 23 Mar 2022

ELARA - Flexible Robot Simulation and Control Toolbox

Version 0.1 by Maximilian Herrmann

A MATLAB toolbox for the efficient simulation and optimal control of rigid-flexible robotic systems

:- `OCPIntegratorVI`: First/second-order variational/discrete Euler-Lagrange transcription (DMOC)- `OCPIntegratorRK`: Second-/fourth-order ODE transcription with explicit Runge-Kutta integration (`RK2` and `RK4

- Hat map for so(3) / 3 dimensions R3 -> so(3), i.e. 3x3 matrix
- Example Simulation of a one-link tendon-actuated continuum manipulator
- Example Simulation of a Rigid-Flexible System
- Hat map for 6 dimensions, R6 -> se(3), i.e. 4x4 matrix
- Example Simulation of a PD-Controlled "Surgical" Rigid-Soft Manipulator
- Compute the time derivative of the right-trivialized derivaive of the retraction map
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  • 31 May 2026

Avionics and UAV Control Systems Library

Version 1.0.0 by Mustafa Serdar

R&D portfolio for UAV flight dynamics, control systems, and autonomous navigation algorithms

calculating rigid body dynamics using **Euler Equations**.* **Features:** Motor Mixing Algorithm (Quad-X), Aerodynamic Drag, and 3D Visualization.### 2. 👁️ Computer Vision & Autonomous Tracking

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  • 1 Dec 2025

Function to Convert between DCM, Euler angles, Quaternions, and Euler vectors

Version 1.11.0.0 by John Fuller

Function to convert rotation data between 4 types: DCM, Euler Angles, Quaternions, and Euler Param.

SpinCalc is a consolidated matlab function that will convert any rotation data between the 4 types included. Will also convert between 2 different Euler angle set types.Multiple orientations can be

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  • 25 Jan 2013

Euler-Bernoulli beam

Version 1.2.0 by Andreas Döring

Analytical solution for Euler-Bernoulli beam with n simple supports.

The live script getEulerBernoulliExamples.mlx shows the exemplary use of the live function getEulerBernoulliFunction.mlx.The live function getEulerBernoulliFunction.mlx returns beam displacement and

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  • 8 May 2024

Euler c2d Transformations (c2d_euler)

Version 2.2.2.0 by Tamas Kis

Transforms a continuous transfer function to a discrete transfer function using the forward and backward Euler methods.

c2d_euler Transforms a continuous transfer function to a discrete transfer function using the forward and backward Euler methods.SyntaxHz = c2d_euler(Hs,T,type) Hz =

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  • 16 Jul 2024

Inverse dynamics with recursive Newton-Euler

Version 1.0.0.0 by Auralius Manurung

Inverse dynamics with recursive Newton-Euler of an open kinematic chain and standard DH-parameters

Inverse dynamics with recursive Newton-Euler of an open kinematic chain described with standard DH-parametersOptional:Robot toolbox is used for comparison: http://www.petercorke.com/RTB/Download and

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  • 6 Nov 2021

Lagrange Polynomial Coefficents

Version 1.0.0.0 by marco.bilucaglia

Computation of the Coefficients of Lagrange Polynomial of order-n

Differently from other similar functions, poly_lagrange does not need points to directly evaluate the polynomial: it gives, as output, only the coefficients of Lagrange Polynomial to be evaluated

  • 312 (All time)
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  • 19 Feb 2016

Lagrange interpolation in 2D

Version 1.0.0.0 by Daniel Klawitter

a simple m-file to perform a lagrange interpolation in 2D

this mfile only works on rectangular sets of points.it performs a lagrange interpoaltion in x direction as first and after that the points on these xCurves are interpolated in y-direction.

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  • 27 Nov 2009

wavesoftware

Version 1.0 by Zhuojia FU

Wavesoftware includes numerical simulation of acoustic, water and elastic wave problems

- LAGRANGE Plot the Lagrange function for Tikhonov regularization.
- BIDIAG Bidiagonalization of an m-times-n matrix with m >= n.
- GEN_FORM Transform a standard-form problem back to the general-form setting.
- PINIT Utility init.-procedure for "preconditioned" iterative methods.
- SHAW Test problem: one-dimensional image restoration model.
- STD_FORM Transform a general-form reg. problem into one in standard form.
- L_CURVE Plot the L-curve and find its "corner".
- NU Brakhage's nu-method.
- FOXGOOD Test problem: severely ill-posed problem.
- L_CORNER Locate the "corner" of the L-curve.
- PNU "Preconditioned" version of Brakhage's nu-method.
- QUASIOPT Quasi-optimality criterion for choosing the regularization parameter.
- PLOT_LC Plot the L-curve.
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  • 22 Mar 2016

Adaptive-Euler-Elastica-Image-Inpainting

Version 1.0 by Dang N. H. Thanh

An Adaptive Image Inpainting Method Based on Euler's Elastica with Adaptive Parameters Estimation and the Discrete Gradient Method

AbstractEuler's Elastica is a common approach developed based on minimizing the elastica energy. It is one of the effective approaches to solve the image inpainting problem. Nevertheless, there are

  • 101 (All time)
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  • 9 Sep 2020

Chebfun - current version

Version 5.6.0.0 by Chebfun Team

Numerical computation with functions

- Compute Lagrange basis functions.
- Rotates a BALLFUN using Euler angles
- Three chebfun3 obejcts of the identity on [-1, 1, -1, 1, -1, 1].
- Gauss-Jacobi-Lobatto quadrature nodes and weights.
- Gauss-Jacobi-Radau quadrature nodes and weights.
- Trigonometric AAA and AAA-Lawson (near-minimax) real or complex
- AAA and AAA-Lawson (near-minimax) real or complex rational approximation.
- Convert Chebyshev-T coeffs. to Chebyshev-U coeffs.
- Solve non-stiff differential equations. Output a CHEBFUN.
- Solve non-stiff ODEs. Output a CHEBFUN.
- Represent global functions on an unbounded interval [-inf inf] or
- A chebfun of the identity on [-1,1].
- 3-D contour plot of a SPHEREFUN.
- Caratheodory-Fejer approximation
- Find a low-order polynomial which satisfies the BCs of a LINOP.
- Flux integral of a Chebfun3v object through a 2D-surface.
- Assign columns (or rows) of an array-valued CLASSICFUN.
- Filled contour plot of a SPHEREFUN in latitude-longitude coordinates.
- Evaluate a gamma-function.
- Normalized, real-valued, eigenfunction of the Laplacian
- Alternating direction implicit method for solving AX-XB=F.
- Test exporting all PDE demos to an m-file.
- Evaluate a psi-function.
- Convert an array of TRIGTECH objects into an array-valued TRIGTECH.
- Convert a quasimatrix to an array-valued CHEBFUN.
- Convert columns of a quasimatrix or array-valued CHEBFUN to a cell.
- Flip/reverse a DISKFUN over the x-axis.
- Chebfun2 objects for the functions x and y on [-1,1]^2.
- Solve non-stiff differential equations. Output a CHEBFUN.
- Short-cut for constructing CHEBFUN variables.
- Plot for SINGFUN objects in 3-D space.
- Write text with a complex-valued CHEBFUN.
- Provides a succinct answer to almost any Chebfun-related question in the
- Discrete tensor-matrix contraction.
- Class for managing Chebfun construction-time preferences.
- UNION with a tolerance for checking floating-point equality.
- Projection onto BMC-I symmetry.
- ADI shifts for solving AX-XB=F.
- Removes from F the term accounting for non-zero pole/origin
- Abstract class for coefficient-based discretization of
- Poloidal-toroidal decomposition of a BALLFUNV
- Compute planar choreographies of the n-body problem.
- Compute solution at t_{n+1} from solution at previous time-steps.
- Get a function handle to a phi-function.
- Convert a matrix of Chebyshev-Fourier coefficients to a
- Definite integral of a CHEBTECH on the interval [-1,1].
- Convert an array-valued CHEBFUN to a quasimatrix.
- Class for distributions based on Dirac-deltas on arbitrary intervals
- Two-dimensional comet plot.
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  • 4.9 / 5
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  • 1 Aug 2024

Natural frequencies & buckling loads of columns using Finite Element Method

Version 1.3.0.0 by KSSV

Natural frequencies and Euler buckling load are calculated using finite element method technique

These files calculate the natural frequencies and Euler buckling load using Finite element technique. Hermitian beam elements are used as interpolation functions. Assembled mass, geometric stiffness

- Thoretical Natural Frequencies and Euler Buckling load for columns with various
- To find the natural frequqencies and Euler buckling load of a column
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  • 22 Sep 2011

Weighted Essentially Non-Oscillatory (WENO) Scheme for Euler

Version 1.0.0.1 by Manuel A. Diaz

A Fifth order WENO solver for the Euler system of equations

  • 1.1K (All time)
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  • 30 Aug 2018

lagrange interpolation and derivative

Version 1.0.0.0 by Geoff Wawrzyniak

This function performs the Lagrange interpolation of a function and its derivative.

This function performs the Lagrange interpolation of a function (y) or its derivative (dy/dx). usage: y=lagrange(x,pointx,pointsy,0) ordy=lagrange(x,pointx,pointsy,1) or

- %LAGRANGE approx a point-defined function using the Lagrange polynomial interpolation
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  • 24 Aug 2006

MATLAB Support for MinGW-w64 C/C++/Fortran Compiler

Install the MinGW-w64 C/C++/Fortran compiler for Windows

  • 1.2M (All time)
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  • 2.9 / 5
  • MathWorks
  • 22 Jul 2026

Special Functions math library

Version 1.0.0.0 by Paul Godfrey

Collection of Special Functions programs.

the complex Gamma, complex LogGamma, complex error, complex psi, complex Riemann zeta, vectorized factorial, vectorized double factorial functions as well as Bernoulli, Euler, Genocchi, and totient

- Euler Euler number
- Euler-Mascheroni constant = -Psi(1) = 0.5772156649015328606...
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  • 26 Aug 2004

Lagrange polynomial interpolation

Version 1.0.0.0 by Carlo Castoldi

Lagrange polynomial interpolation

Approx a point-defined function using Lagrange polinomial interpolation method

- %LAGRANGE approx a point-defined function using the Lagrange polynomial interpolation
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  • 3.7 / 5
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  • 31 Mar 2016

Acrobot Derivation and Simulation

Version 1.2.0.0 by Matthew Kelly

Derive equations and simulate acrobot (double pendulum)

  • 513 (All time)
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  • 1.0 / 5
  • Community
  • 12 Dec 2015

Lagrange Interpolation

Version 1.0.0 by Karthi Ramachandran

Simple MATLAB file for Lagrange Interpolation

  • 285 (All time)
  • 2 (Last 30 days)
  • 4.5 / 5
  • Community
  • 7 Feb 2020

Euler–Maruyama Method

Version 1.0.0 by Emma Gau

Simulate Brownian particle motion by the Euler–Maruyama method

, solutions arise under an initial condition and boundary conditions. Therefore solutions of stochastic differential equations exist and are unique (see app.). For this simulation, the Euler–Maruyama (EM

  • 1K (All time)
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  • 14 Nov 2018

Euler spiral

Version 1.2.0.0 by Ankur Pawar

This script plots Euler spiral and some of its variants.

Euler spiral is generated by evaluating Fresnel integral. By changing some of the parameters, different type of spirals are generated. EulerSpiral.m make simple plot. EulerSpiralDeco.m make ribbon

- Function plots, cornu spiral also known as euler spiral.
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  • 6 May 2016

Lagrange's equations

Version 1.0.0.0 by Ivanovich

Lagrange is a function that calculate equations of motion (Lagrange's equations)

Lagrange is a function that calculate equations of motion (Lagrange's equations) d/dt(dL/d(dq))- dL/dq=0. It Uses the Lagrangian that is a function that summarizes thedynamics of the system

- Lagrange is a function that calculate equations of motion (Lagrange's
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  • 8 (Last 30 days)
  • 4.6 / 5
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  • 19 Feb 2009

Euler/Fixed Angles Properties

Version 1.1.0.0 by Husam Aldahiyat

Graphical display of Euler and Fixed Angles

Easy to use GUI that gives Euler angles for different rotation matrices and gives rotation matrices for different Euler angles. Also it animates the angle rotations one by one for more understanding.

- EUL obtain Euler Angles from R Matrix
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  • 4.9 / 5
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  • 9 Jan 2011

maximum entropy method

Version 1.0.0 by babak znl

this is a mat-lab function that calculates the Lagrange multipliers of the maximum entropy problem (example provided)

  • 745 (All time)
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  • 5.0 / 5
  • Community
  • 9 Oct 2018

Euler angle, DCM, Quaternion, and Euler Vector Conversion/Teaching GUI

Version 1.3.0.0 by John Fuller

A GUI that helps users learn how Euler angles and other rotational data relate to one another.

This is an instructional GUI to be used for learning how Euler angles, DCMs, quaternions, and Euler vector parameters relate in the rotation of cartesian frames (A to B). Can also be used to convert

- A GUI that helps users learn how Euler angles and other rotational data relate to one another.
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  • 4.3 / 5
  • Community
  • 12 Sep 2012

Huygens-Fresnel integral approximation on the GPU

Version 2.0.0.0 by Dominik Hofer

Simulate electromagnetic wave propagation through free-form apertures, or off rough surfaces. Speed up the computation by using the GPU.

- - rotate vectors/points by Euler angles x -> y -> z
- - reshape a 3-by-(m*n) vector to three m-by-n matrices
- - reshape three m-by-n matrices to a 3-by-(m*n) vector
- - plot x- and y- slices of image data
- - use the Huygens-Fresnel principle to superpose phasors from
- - map a variable to GPU memory
- - calculates the complex E field vector for every point
- - create an empty figure with a single axis; set figure
- - plot intensity
- - create a light source type structure
- - compute the effect of incident light on a surface
- - add surface roughness to a plane
- - return coordinate vectors and matrices
- - compute the surface normals in every grid point
- - diplay time, runtime and a message string; depending on
- - evaluate a function of (x,y) to get a map of
- - Compute the surface normal of a plane, given its
- - call the respective 'create' function
- - plot an objects surface in reference position
- - calculate sum of phasors
- - pad X by one element in each direction, maintain the
- - compute size, number of grid points and resolution
- - compute the ideal reflection of incident light in every
- - calculates the complex E field vector for every point on a
- - create an options structure, define some general
- - check for basic inputs like the surface normal, the normal
- - change all figure text interpreters to LaTex
- - plot an objects surface in reference position
- - show the relations of various objects
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  • 23 Oct 2020

Montalvo Models, Simulations and Scripts

Version 1.0.1 by Carlos Montalvo

This is my public repo of all my MATLAB Screen cast codes and other random codes written in MATLAB

bot to knock the other bot out of the screenTraffic - Simulate traffic on a multi-lane highwayColor_Illusions - A script to illustrate color illusionsProject Euler - Go Check out projecteuler.net - Here

- Problem 5 - Project Euler
- Problem 6 - Project Euler
- y = atan(x) from -1 to 1
- 1 - D Beam Deflection with Finite Difference Method
- Exports figures in a publication-quality format
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  • 30 Jun 2023

animEuler

Version 1.0.0.0 by Dmitry Savransky

Animate sets of Euler rotations using arbitrary Euler angles and rotation order.

[coordSys,as] = animEuler(h,rotSet,angs) animates the rotation of a dextral coordinate system using three arbitrary Euler angles (angs) about three axes (rotSet) in figure (h). rotSet is an array of

- animEuler animates sets of arbitrary Euler rotations.
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  • 29 Apr 2009

Numerical Methods for Physics, 2e

Version 1.0.0.0 by Alejandro Garcia

Companion Software, physics, problem solving, companion software, numerical methods

- interp - Program to interpolate data using Lagrange
- Runge-Kutta integrator (4th order)
- lorenz - Program to compute the trajectories of the Lorenz
- lsfdemo - Program for demonstrating least squares fit routines
- sorter - Function to sort particles into cells
- colide - Function to process collisions in cells
- balle - Program to compute the trajectory of a baseball
- orbit - Program to compute the orbit of a comet.
- orthog - Program to test if a pair of vectors
- Function used by the N-variable Newton's method
- Returns right-hand side of Kepler ODE; used by Runge-Kutta routines
- Returns right-hand side of 3 mass-spring system
- fftpoi - Program to solve the Poisson equation using
- newtn - Program to solve a system of nonlinear equations
- neutrn - Program to solve the neutron diffusion equation
- schro - Program to solve the Schrodinger equation
- advect - Program to solve the advection equation
- Adaptive Runge-Kutta routine
- ftdemo - Discrete Fourier transform demonstration program
- dftcs - Program to solve the diffusion equation
- dsmceq - Dilute gas simulation using DSMC algorithm
- mover - Function to move particles by free flight
- pendul - Program to compute the motion of a simple pendulum
- Returns right-hand side of Lorenz model ODEs
- relax - Program to solve the Laplace equation using
- dsmcne - Program to simulate a dilute gas using DSMC algorithm
- sprfft - Program to compute the power spectrum of a
- traffic - Program to solve the generalized Burger
- sampler - Function to sample density, velocity and temperature
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  • 21 Nov 2002

MatthewPeterKelly/Lagrange_Mechanics_Derivations

Version 1.0.0.0 by Matthew Kelly

Tutorial using Lagrange equations to derive equations of motion for mechanical systems.

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  • 11 Dec 2015

imMinkowski

Version 1.6 by David Legland

Measure of geometric parameters in 2D or 3D images (surface area, perimeter, Euler Number...)

formula)* the(2D) Euler NumberParameters available for 3D images are:* the volume,* the surface area (measured using the Crofton formula),* the surface area of the interface between two labels* the mean

- compute Euler-Poincare Characteristic (EPC) of a structure.
- Tests input points for coplanarity in 3-space.
- apply a lut to a gray-scale image.
- Look-Up Table for computing mean breadth of a 3D image.
- Look-Up Table for computing surface area of a 3D binary image
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  • 11 Jan 2021

sssMOR Toolbox

sssMOR is a MATLAB toolbox for model order reduction of large-scale dynamical systems in state-space

- simBackwardEuler - Integrates sss model using backward (implicit) Euler
- simForwardEuler - Integrates sss model using forward (explicit) Euler
- ISH2OPT - Evaluate Meier-Luenberger necessary conditions for H2-optimality
- MODELFCTMOR - Model function-based model order reduction
- SIMRK4 - Integrates sss model using Runge-Kutta 4
- EIG - Compute eigenvalues and eigenvectors of a sparse state-space model
- ISRK - Iterative SVD-Rational Krylov Algorithm
- LOADSSS - Creates an sss-object from .mat file data
- PORKW - Pseudo-Optimal Rational Krylov (Output)
- DIAG - Transforms an LTI system to (block)-diagonal representation
- PORKV - Pseudo-Optimal Rational Krylov (Input)
- SSRED - Reduced state-space LTI system (ssRed) class
- runme - download third-party software and benchmark models
- SSS - Create sparse state-space (sss) model, convert to sss model
- RKOP - Determination of optimal expansion point for Laguerre series
- SSS_GETTINGSTARTED - Introductory demo to sss toolbox
- IRKA - Iterative Rational Krylov Algorithm
- DECAYTIME - Computes the time period in which a sparse LTI system levels off
- SIMINIT - Initialization for simulation functions
- SOLVELSE - Solve linear system of equations
- ISPD - Determines if a matrix is positive definite
- MOMENTS - Returns the moments or Markov parameters of an LTI system
- PLUS - Computes sum of two sparse LTI systems.
- SPARK - Stability Preserving Adaptive Rational Krylov
- PARTITION - Partitions a matrix into submatrices
- ITERATIVEREFINEMENT - Use iterative LSE solver to refine LSE solution
- MINUS - Computes difference of two sparse LTI systems.
- CIRKA - Confined Iterative Rational Krylov Algorithm
- BODETOFIG - Transforms MATLAB bode/step/impulse plot into normal figure
- ARNOLDI - Arnoldi algorithm for Krylov subspaces with multiple shifts
- TBR - Performs model order reduction by Truncated Balanced Realization
- RKICOP - Rational Krylov with an iteratively calculated optimal point
- MTIMES - Computes the product of two LTI systems.
- ISMEMBERF2 - Determine which elements are within a radius
- RK - Model Order Reduction by Rational Krylov
- MODALMOR - Modal truncation order reduction of LTI systems
- SHIFTVEC - convert shift definition to single row notation
- GETDESIREDOUTPUT - Get only the desired output from a function
- GETSYLVESTER - Get matrices of Sylvester's equation for Krylov subspaces
- EIGS - Compute eigenvalues of the sparse state space system using sparse matrices.
- SPY - Plot sparsity pattern of sss system
- MODELFCT - Computes or updates the model function of an sss object
- SIMUPDATE - Update for simulation functions
- simDiscrete - Integrates discrete time model
- CPLXPAIRALL - Sort arrays of complex numbers into complex conjugate pairs
- PROJECTIVEMOR - Reduces dynamic model by projection
- SECOND2FIRST - Convert a 2nd order system to state space representation
- RESIDUE - Computes residues, poles and feedthrough of an LTI system
- SETDIFFVEC - Computes the difference between two unsorted vectors
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  • 11 Sep 2017

psssMOR Toolbox

psssMOR - A Parametric Sparse State-Space and Model Order Reduction Toolbox

- simBackwardEuler - Integrates sss model using backward (implicit) Euler
- simForwardEuler - Integrates sss model using forward (explicit) Euler
- ISH2OPT - Evaluate Meier-Luenberger necessary conditions for H2-optimality
- SSS - Create sparse state-space (sss) model, convert to sss model
- PSSS - Create a parametric sparse state-space (psss) model
- LOADSSS - Creates an sss-object from .mat file data
- PORKV - Pseudo-Optimal Rational Krylov (Input)
- EIG - Compute eigenvalues and eigenvectors of a sparse state-space model
- SIMRK4 - Integrates sss model using Runge-Kutta 4
- PORKW - Pseudo-Optimal Rational Krylov (Output)
- MODELFCTMOR - Model function-based model order reduction
- Model Order Reduction App for large-scale, sparse state-space models
- SSRED - Reduced state-space LTI system (ssRed) class
- ISRK - Iterative SVD-Rational Krylov Algorithm
- runme - download third-party software and benchmark models
- DIAG - Transforms an LTI system to (block)-diagonal representation
- MODALMOR - Modal truncation order reduction of LTI systems
- GLOBALPMOROFFLINE - Parametric model order reduction with global basis
- CURE - CUmulative REduction framework
- PROJECTIVEMOR - Reduces dynamic model by projection
- BODETOFIG - Transforms MATLAB bode/step/impulse plot into normal figure
- RKOP - Determination of optimal expansion point for Laguerre series
- MINUS - Computes difference of two sparse LTI systems.
- SIMUPDATE - Update for simulation functions
- PARAMETRICTESTMODEL - Artificially constructed parametric test model
- GLOBALPMORONLINE - Parametric model order reduction with global basis (online phase)
- PARAMETRICBENCHMARKSDOWNLOAD - Verify standard parametric benchmarks
- LOCALREDUCTION - Computation of local reduced order models
- LOADANEMOMETER3PARAMETER - Load the anemometer3parameter benchmark
- ITERATIVEREFINEMENT - Use iterative LSE solver to refine LSE solution
- GETSYLVESTER - Get matrices of Sylvester's equation for Krylov subspaces
- LOADFEMBEAM1D - Load the femBeam1D benchmark
- ARNOLDI - Arnoldi algorithm for Krylov subspaces with multiple shifts
- LOADANEMOMETER1PARAMETER - Load the anemometer1parameter benchmark
- CPLXPAIRALL - Sort arrays of complex numbers into complex conjugate pairs
- FEMBEAM3D - FemBeam3D benchmark
- PARSEOPTS - Creates an optional struct after parsing
- SOLVELSE - Solve linear system of equations
- PLUS - Computes sum of two sparse LTI systems.
- SPY - Plot sparsity pattern of sss system
- EIGS - Compute eigenvalues of the sparse state space system using sparse matrices.
- RKICOP - Rational Krylov with an iteratively calculated optimal point
- SPARK - Stability Preserving Adaptive Rational Krylov
- simDiscrete - Integrates discrete time model
- ISMEMBERF2 - Determine which elements are within a radius
- RESIDUE - Computes residues, poles and feedthrough of an LTI system
- DONWLOADTHIRDPARTY - download additional software used by sss
- MTIMES - Computes the product of two LTI systems.
- MOMENTS - Returns the moments or Markov parameters of an LTI system
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  • 12 Sep 2017

6 DoF Vehicle Model in Simulink

Version 2.0 by Srivatsan Srinivasan

Model for yaw studies. Discrete-time model, euler-fwd integration. RT code compile-able. All-wheel steer-drive. 2015-20 Matlab compatible.

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  • 6 Jan 2021

Numerical Methods for Physics

Version 1.0.0.0 by Alejandro Garcia

Companion Software

- interp - Program to interpolate data using Lagrange
- rndoff - Demo program illustrating round-off error
- Function to compute 3 mass-spring system
- newtn - Program to solve a system of nonlinear equations
- orbec - Program to compute the orbit of a comet
- aftcs - Program to solve the advection equation
- orbrk - Program to compute the orbit of a comet
- colide - Function to process collisions in cells
- Function used by the N-variable Newton's method
- pendul - Program to compute the motion of a simple pendulum
- Function used by the N-variable Newton's method
- factn - Naive program for computing factorial
- dsmcne - Program to simulate a dilute gas using DSMC algorithm
- lsftest - Program for testing least squares fit routines
- Adaptive Runge-Kutta routine
- jacobi - Program to solve the Laplace equation using
- pendul - Program to compute the motion of a simple pendulum
- sftdemo - Discrete Fourier transform demonstration program
- traffic - Program to solve the generalized Burger
- deriv - Program to compute the numerical derivatives of the
- spinview - Routine to rotate a 3D plot
- lorenz - Program to compute the trajectories of the Lorenz
- galrkn - Program to solve the Poisson equation in
- dftcs - Program to solve the diffusion equation
- fftpoi - Program to solve the Poisson equation using
- balle - Program to compute the trajectory of a baseball
- Adaptive Runge-Kutta routine
- facts - Program for computing factorial
- sampler - function to sample density and velocities
- mover - Function to move particles by free flight
- sprfft - Program to compute the power spectrum of a
- schro - Program to solve the Schrodinger equation
- sorter - Function to sort particles into cells
- orbrka - Program to compute the orbit of a comet
- orbe - Program to compute the orbit of a comet
- Runge-Kutta integrator (4th order)
- dsmceq - Dilute gas simulation using DSMC algorithm
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  • 30 Aug 2002

Scripts and Models for Chapter 5 of the book - MATLAB/Simulink Essentials by Sulaymon ESHKABILOV

Version 1.0.0.0 by Sulaymon Eshkabilov

Models and scripts - solutions of various types ODEs of 1, 2, 3 and n-th order

The models and scripts given in this folder are solutions of ODEs of 1, 2, 3 and n-th order IVPs which highlight numerical solution search methods of ODEs via Euler, Adams, Adams-Moulton, Runge-Kutta

- HELP: HIRES_EM.m solves The HIRES problem with EULER-Forward method.
- FFun.m - function file is called for Runge-Kutta method
- HELP: HIRES_RK.m solves HIRES problem with Runge-Kutta method scripts
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  • 21 Nov 2016

solve differential equation Euler method

Version 1.0 by Ivan Liebgott

all functions ans scripts to solve differential eqautions using Euler method

- Euler
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  • 6 Oct 2020

Explicit Numerical Methods to solve Differential Equation

Version 1.0.0.0 by Sathyanarayan Rao

Here , I compare Euler, Runge-Kutta and Adam-Bashforth methods to integrate a simple function.

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  • 3 Jan 2016

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