Sathyanarayan Rao
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Professional Interests: Numerical Computing and Computer Modeling
MATLAB
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Feeds
Submitted
Electrical resistivity tomography Geometric Factors
Comparison of analytical and numerical geometric factors for surface-borehole configuration.
nästan 6 år ago | 1 download |
Submitted
Estimating parameters for van-Genuchten soil water retention curve model
Matlab inbuilt 'nlinfit' is used to estimate van-Genuchten fitting parameters.
ungefär 6 år ago | 1 download |
Submitted
Convert white pixels in a binary image to coordinates
This function forms coordinate array [x,y] of white pixels based on user defined range.
mer än 6 år ago | 1 download |
Submitted
Perpendicular Line to a given line forming a T-shape
Given any two points, two other points can be constructed forming a T shape
mer än 6 år ago | 1 download |
Submitted
Instrument output text file with header and unwanted lines to matlab matrix
Removes header and unwanted lines from any text file and saves data in matlab matrix form.
mer än 6 år ago | 1 download |
Visualizing min, max and mean
x = [1 2 3 4 5]; ymin = [0.01 0.02 0.03 0.04 0.05]; % lower error bar position ymax = [0.02 0.03 0.04 0.05 0.06]; % uppe...
mer än 6 år ago | 0
how to draw a bar chart with max and min
x = [1 2 3 4 5]; ymin = [0.01 0.02 0.03 0.04 0.05]; % lower error bar position ymax = [0.02 0.03 0.04 0.05 0.06]; % uppe...
mer än 6 år ago | 0
Submitted
JPG image to EIDORS finite element model data via linear interpolation
EIDORS image is generated based on jpg image pixels.
mer än 6 år ago | 1 download |
Submitted
Remove reciprocals from a Electrical Impedance Tomography (EIT) scheme
Removes reciprocal quadrupoles from a EIT scheme.
nästan 7 år ago | 1 download |
How to extract data from a plot for various values of X and Y axis?
speed = [1 2 3 4 5] time = [0.03 0.05 0.07 0.09 0.1] h = plot(time,speed); xdata = (get(h, 'XData')) ydata =...
nästan 7 år ago | 0
Submitted
Integer to Integer map using logical indexing
Logical indexing is used to map integer from one set to another
nästan 7 år ago | 1 download |
How to convert binary image to 2D triangulation?
Check this code that uses Gmsh https://nl.mathworks.com/matlabcentral/fileexchange/61507-binary-image-to-finite-element-mesh...
nästan 7 år ago | 0
Submitted
carnatic music mayamalavagowla first sarali swara generation in MATLAB
The semitones of sarigama is generated in matlab using a sinusoidal signal.
nästan 7 år ago | 1 download |
Solved
convert matrix to single column
given any matrix, convert it to single column
ungefär 7 år ago
Solved
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
ungefär 7 år ago
Submitted
Binary image to Finite element mesh ( GMSH geo file )
This code creates GMSH geo file from an image boundary that can be readily meshed using GMSH.
mer än 7 år ago | 5 downloads |
To read nodes and elements of the .msh file to Matlab
Please check http://nl.mathworks.com/matlabcentral/fileexchange/59682-visualizing-gmsh-msh-file-in-matlab-using-triplot and let ...
nästan 8 år ago | 0
Submitted
Visualizing GMSH .msh file in MATLAB using TRIPLOT
In this code, I import GMsh .msh file and form elements and nodes matrix which is then visualized.
nästan 8 år ago | 12 downloads |
Submitted
Electrical Impedance Tomography Image Reconstruction using MATLAB based freeware EIDORS
In this code, using EIDORS Electrical Impedance Tomographic Image Reconstruction is demonstrated.
nästan 8 år ago | 75 downloads |
Submitted
MATLAB to gmsh .geo file
MATLAB to gmsh compatible text file using fprintf
nästan 8 år ago | 4 downloads |
Submitted
Points to Surface Matrix
Given a set of coordinates and its connection information, surface data is generated.
nästan 8 år ago | 1 download |
Submitted
Regularized Least Square: Tikhonov Regularization test for Hilbert matrix.
Regularized Least Square and ordinary least square solution are compared.
nästan 8 år ago | 7 downloads |
Submitted
Linear Regression: Least Square Solution
Least square solution is demonstrated for human population data
nästan 8 år ago | 2 downloads |
Submitted
Transmittance and Reflectance Spectra of Multilayered Dielectric Stack using Transfer Matrix Method
Transfer Matrix Method is used to calculate transmittance and reflectance of dielectric layers.
ungefär 8 år ago | 28 downloads |
Submitted
Electrical Resistivity Forward problem: Poisson's equation with heterogeneous conductivity
Poisson's equation is solved for a heterogeneous medium with varying conductivity.
ungefär 8 år ago | 2 downloads |
Question
What is Block error in Simulink ?
I am trying to simulate a very simple RC circuit and I get the following error when I try to run the model. Each physical ne...
ungefär 8 år ago | 1 answer | 0
1
answerSubmitted
Two dimensional wave interference using Finite Difference Time Domain method (FDTD).
Using FDTD, interference of two sinusoidal source is visualized using FDTD method in TM mode.
mer än 8 år ago | 4 downloads |
Submitted
Magic Time Step in 1D FDTD
1D FDTD illustration using magic time step
mer än 8 år ago | 3 downloads |
Submitted
Explicit Numerical Methods to solve Differential Equation
Here , I compare Euler, Runge-Kutta and Adam-Bashforth methods to integrate a simple function.
mer än 8 år ago | 1 download |
Submitted
Analytical plot of Dielectric function of Lorentz medium
This code plots complex dielectric function of a Lorentz medium using its analytical formula.
mer än 8 år ago | 7 downloads |