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Sathyanarayan Rao


68 total contributions since 2013

Professional Interests: Numerical Computing and Computer Modeling

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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 ...

1 month ago | 0

Responded


Re: Importing a GMSH .msh file into NIRFAST(matlab platform)
Please check http://nl.mathworks.com/matlabcentral/fileexchange/59682-visualizing-gmsh-msh-file-in-matlab-using-triplot and let ...

1 month ago | 3769 views

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.

1 month ago | 19 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.

2 months ago | 11 downloads |

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Submitted


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

3 months ago | 11 downloads |

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Submitted


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

3 months ago | 3 downloads |

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Submitted


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

4 months ago | 7 downloads |

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Submitted


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

4 months 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.

5 months ago | 45 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.

5 months ago | 5 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...

6 months 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.

10 months ago | 12 downloads |

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Submitted


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

10 months ago | 8 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.

11 months 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.

12 months ago | 3 downloads |

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Submitted


Total Field Scattered Field source with Perfectly Matched Layer Boundaries
In this code, TF/SF source is implemented for 1D FDTD source along with PML Boundary condition.

1 year ago | 4 downloads |

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Submitted


Optical Spectra of Dielectric slab using 1D Finite Difference Time Domain (FDTD).
This code calculates Transmission and Reflection spectra of Etalon slab using FDTD method.

1 year ago | 8 downloads |

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Submitted


1D Finite Difference Time Domain simulation (FDTD) with Perfectly Matched Layer (PML)
FDTD is illustrated with PML absorbing boundary condition at both ends of 1D space grid.

1 year ago | 19 downloads |

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Submitted


Optical Linear Absorption of a Two Level System
In this code, differential equation for optical polarization is solved.

1 year ago | 3 downloads |

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Submitted


Band structure of GaAs using Parabolic Approximation
Band structure of GaAs using Parabolic Approximation

1 year ago | 6 downloads |

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Submitted


Fourier transform DFT for selected range of frequencies
For selected frequency range, DFT is computed.

1 year ago | 2 downloads |

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Submitted


Numerical Solution to Optical Bloch Equation for a two level atom using Runge Kutta method
Numerical Solution to Optical Bloch Equation for a two level atom using Runge Kutta method

1 year ago | 5 downloads |

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Submitted


Simulation of Rabi Flopping in a Two Level Atom using Finite Difference Method
Rabi flopping for a two level quantum system is simulated for different detuning frequencies.

1 year ago | 5 downloads |

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Submitted


Excited States of Quantum Harmonic Oscillator using Raising Operator
Calculating Excited States of Quantum Harmonic Oscillator using Raising Operator.

1 year ago | 16 downloads |

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Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

1 year ago

Solved


Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

1 year ago

Solved


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

1 year ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

1 year 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 ...

1 year ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

1 year ago

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