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Sathyanarayan Rao


Last seen: mehr als ein Jahr 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.

fast 3 Jahre ago | 4 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.

etwa 3 Jahre ago | 1 download |

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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.

mehr als 3 Jahre ago | 2 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

mehr als 3 Jahre ago | 1 download |

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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.

mehr als 3 Jahre 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...

mehr als 3 Jahre 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...

mehr als 3 Jahre ago | 0

Submitted


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

mehr als 3 Jahre ago | 1 download |

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Submitted


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

fast 4 Jahre 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 =...

fast 4 Jahre ago | 0

Submitted


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

fast 4 Jahre 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...

fast 4 Jahre ago | 0

Submitted


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

fast 4 Jahre ago | 3 downloads |

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Solved


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

etwa 4 Jahre 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 ...

etwa 4 Jahre 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.

mehr als 4 Jahre ago | 4 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 ...

fast 5 Jahre 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.

fast 5 Jahre ago | 9 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.

fast 5 Jahre ago | 9 downloads |

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Submitted


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

fast 5 Jahre ago | 5 downloads |

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Submitted


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

fast 5 Jahre 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.

fast 5 Jahre ago | 13 downloads |

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Submitted


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

fast 5 Jahre 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.

etwa 5 Jahre ago | 20 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.

etwa 5 Jahre 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...

etwa 5 Jahre 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.

mehr als 5 Jahre ago | 21 downloads |

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Submitted


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

mehr als 5 Jahre 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.

mehr als 5 Jahre ago | 3 downloads |

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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.

mehr als 5 Jahre ago | 4 downloads |

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