Robert Canfield

Last seen: 2 dagar ago

Virginia Tech

44 total contributions since 2012

Dr. Robert A. Canfield is Professor and Assistant Head of the Aerospace and Ocean Engineering Department at Virginia Tech.
Professional Interests: Multidisciplinary Design Optimization, computational methods

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Submitted

slp_sqp
Sequential Linear Programming (SLP) with Trust Region (TR) and Sequential Quadratic Programming (SQP) with Line Search or TR Str...

3 månader ago | 19 downloads |

Submitted

central_diff.m
Calculates numeric gradient using second-order difference formula for unevenly spaced data

mer än 5 år ago | 18 downloads |

Answered
How to read NASTRAN results in MATLAB and run NASTRAN back using MATLAB ??
Anthony Ricciardi's Nastran Compatible Finite Element (CoFE) MATLAB code may be of some help: <http://nastrancofe.weebly.com CoF...

mer än 5 år ago | 0

Solved

Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

mer än 7 år ago

Problem

Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

mer än 7 år ago | 1 | 14 solvers

Problem

Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Analytical solution to bungee jumper problem. Given time series as a vector, parameters mass and drag coefficient, and gravit...

mer än 7 år ago | 0 | 14 solvers

Solved

Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Analytical solution to bungee jumper problem. Given time series as a vector, parameters mass and drag coefficient, and gravit...

mer än 7 år ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

nästan 8 år ago

Problem

Composite Trapezoidal Rule for Numeric Integration
Use the trapezoidal rule to numerically integrate a function, _f(x)_, passed as the first argument, between upper and lower limi...

ungefär 8 år ago | 1 | 26 solvers

Solved

Composite Trapezoidal Rule for Numeric Integration
Use the trapezoidal rule to numerically integrate a function, _f(x)_, passed as the first argument, between upper and lower limi...

ungefär 8 år ago

Solved

Lagrange Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago

Problem

Lagrange Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago | 1 | 10 solvers

Problem

Polynomial Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago | 1 | 13 solvers

Solved

Polynomial Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago

Problem

Newton Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago | 2 | 10 solvers

Solved

Newton Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

ungefär 8 år ago

Solved

Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

mer än 8 år ago

Problem

Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

mer än 8 år ago | 1 | 124 solvers

Solved

Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

mer än 8 år ago

Problem

Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

mer än 8 år ago | 1 | 22 solvers

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

mer än 8 år ago

Problem

Partial pivoting for Gauss Elimination
Write a function to implement partial pivoting for Gauss elimination, given the pivot element.

mer än 8 år ago | 0 | 6 solvers

Solved

Partial pivoting for Gauss Elimination
Write a function to implement partial pivoting for Gauss elimination, given the pivot element.

mer än 8 år ago

Problem

Bisection method of finding a root.
Test the bisection algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB for E...

mer än 8 år ago | 1 | 16 solvers

Solved

Bisection method of finding a root.
Test the bisection algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB for E...

mer än 8 år ago

Problem

False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...

mer än 8 år ago | 1 | 13 solvers

Solved

False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...

mer än 8 år ago

Answered
Missing Statistics Toolbox
I had this problem, too, on a _Mac OS X_ computer. I tracked it to the _pathdef.m_ file in the _~/Documents/MATLAB_ folder. Remo...

mer än 8 år ago | 1

| accepted

Problem

Augmented Lagrange Multiplier (ALM) Method
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_ ( _x_ ), g...

nästan 9 år ago | 0 | 6 solvers

Solved

Augmented Lagrange Multiplier (ALM) Method
Write a function to find the values of a design variable vector, _x_, that minimizes a scalar objective function, _f_ ( _x_ ), g...

nästan 9 år ago