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Sathyanarayan Rao


Last seen: meer dan een jaar ago Active since 2013

Professional Interests: Numerical Computing and Computer Modeling

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Submitted


Electrical resistivity tomography Geometric Factors
Comparison of analytical and numerical geometric factors for surface-borehole configuration.

ongeveer 3 jaar ago | 3 downloads |

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Submitted


Estimating parameters for van-Genuchten soil water retention curve model
Matlab inbuilt 'nlinfit' is used to estimate van-Genuchten fitting parameters.

meer dan 3 jaar ago | 2 downloads |

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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.

meer dan 3 jaar ago | 3 downloads |

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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

meer dan 3 jaar ago | 2 downloads |

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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.

bijna 4 jaar ago | 1 download |

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Answered
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...

bijna 4 jaar ago | 0

Answered
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...

bijna 4 jaar ago | 0

Submitted


JPG image to EIDORS finite element model data via linear interpolation
EIDORS image is generated based on jpg image pixels.

bijna 4 jaar ago | 1 download |

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Submitted


Remove reciprocals from a Electrical Impedance Tomography (EIT) scheme
Removes reciprocal quadrupoles from a EIT scheme.

ongeveer 4 jaar ago | 2 downloads |

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Answered
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 =...

ongeveer 4 jaar ago | 0

Submitted


Integer to Integer map using logical indexing
Logical indexing is used to map integer from one set to another

ongeveer 4 jaar ago | 2 downloads |

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Answered
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...

ongeveer 4 jaar ago | 0

Submitted


carnatic music mayamalavagowla first sarali swara generation in MATLAB
The semitones of sarigama is generated in matlab using a sinusoidal signal.

ongeveer 4 jaar ago | 1 download |

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Solved


convert matrix to single column
given any matrix, convert it to single column

meer dan 4 jaar 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 ...

meer dan 4 jaar 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.

meer dan 4 jaar ago | 8 downloads |

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Answered
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 ...

ongeveer 5 jaar 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.

ongeveer 5 jaar ago | 16 downloads |

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Submitted


Electrical Impedance Tomography Image Reconstruction using MATLAB based freeware EIDORS
In this code, using EIDORS Electrical Impedance Tomographic Image Reconstruction is demonstrated.

ongeveer 5 jaar ago | 12 downloads |

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Submitted


MATLAB to gmsh .geo file
MATLAB to gmsh compatible text file using fprintf

ongeveer 5 jaar ago | 12 downloads |

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Submitted


Points to Surface Matrix
Given a set of coordinates and its connection information, surface data is generated.

ongeveer 5 jaar ago | 1 download |

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Submitted


Regularized Least Square: Tikhonov Regularization test for Hilbert matrix.
Regularized Least Square and ordinary least square solution are compared.

ongeveer 5 jaar ago | 14 downloads |

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Submitted


Linear Regression: Least Square Solution
Least square solution is demonstrated for human population data

ongeveer 5 jaar ago | 4 downloads |

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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.

meer dan 5 jaar ago | 28 downloads |

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Submitted


Electrical Resistivity Forward problem: Poisson's equation with heterogeneous conductivity
Poisson's equation is solved for a heterogeneous medium with varying conductivity.

meer dan 5 jaar ago | 4 downloads |

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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...

meer dan 5 jaar ago | 0 answers | 0

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answers

Submitted


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.

meer dan 5 jaar ago | 21 downloads |

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Submitted


Magic Time Step in 1D FDTD
1D FDTD illustration using magic time step

meer dan 5 jaar ago | 2 downloads |

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Submitted


Explicit Numerical Methods to solve Differential Equation
Here , I compare Euler, Runge-Kutta and Adam-Bashforth methods to integrate a simple function.

bijna 6 jaar ago | 1 download |

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Submitted


Analytical plot of Dielectric function of Lorentz medium
This code plots complex dielectric function of a Lorentz medium using its analytical formula.

bijna 6 jaar ago | 7 downloads |

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