Sathyanarayan Rao

Last seen: 9 days ago | Active since 2013

Followers: 0 Following: 0

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Professional Interests: Numerical Computing and Computer Modeling

Github

Programming Languages:
MATLAB
Spoken Languages:
English
Pronouns:
He/him

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Submitted

Time-Frequency Analysis of Fourier vs Wavelet Transform
This code creates an animation demonstrating how different transforms analyze signals with time-varying frequency content.

1 month ago | 15 downloads |

Submitted

Planetary Motion Animation
I animate Earth and Mars orbits using ode45 solver

4 months ago | 3 downloads |

Submitted

Duffing Oscillator Phase Space Animator
This MATLAB code provides an elegant visualization of the Duffing oscillator's phase space dynamics.

4 months ago | 7 downloads |

Submitted

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

6 years 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.

7 years 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.

7 years ago | 2 downloads |

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

7 years 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.

7 years ago | 1 download |

Submitted

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

7 years ago | 1 download |

Submitted

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

7 years ago | 1 download |

Submitted

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

7 years ago | 1 download |

Submitted

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

7 years ago | 1 download |

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.

8 years ago | 2 downloads |

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.

8 years ago | 8 downloads |

Submitted

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

8 years ago | 16 downloads |

Submitted

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

8 years ago | 8 downloads |

Submitted

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

8 years ago | 1 download |

Submitted

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

8 years ago | 6 downloads |

Submitted

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

8 years ago | 1 download |

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.

8 years ago | 10 downloads |

Submitted

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

8 years ago | 6 downloads |

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.

9 years ago | 4 downloads |

Submitted

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

9 years ago | 1 download |

Submitted

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

9 years ago | 2 downloads |

Submitted

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

9 years ago | 2 downloads |

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.

9 years ago | 5 downloads |

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.

9 years ago | 1 download |

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.

9 years ago | 6 downloads |

Submitted

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

9 years ago | 1 download |

Submitted

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

9 years ago | 1 download |