Successive over relaxation (sor) of finite difference method solution to laplace's equation in matlab

The following Matlab project contains the source code and Matlab examples used for successive over relaxation (sor) of finite difference method solution to laplace's equation. Authors - Sathya Swaroop Ganta, Kayatri, Pankaj Arora, Sumanthra Chaudhuri, Projesh Basu, Nikhil Kumar CS Course - Computational Electromegnetics Instructor - Dr.

Finite difference method solution to laplace's equation in matlab

The following Matlab project contains the source code and Matlab examples used for finite difference method solution to laplace's equation. Authors - Sathya Swaroop Ganta, Kayatri, Pankaj Arora, Sumanthra Chaudhuri, Projesh Basu, Nikhil Kumar CS Course - Computational Electromagnetics, Fall 2011 Instructor - Dr.

Finite difference solution to nonlinear diffusion equation in matlab

The following Matlab project contains the source code and Matlab examples used for finite difference solution to nonlinear diffusion equation. Solves nonlinear diffusion equation which can be linearised as shown for the general nonlinear diffusion equation in Richtmyer & Morton [1].

Finite difference weights in matlab

The following Matlab project contains the source code and Matlab examples used for finite difference weights. Given a vector of nodes x, a point of interest xi, and a nonnegative order of derivative m, this function returns weights such that an inner product with the values f(x) returns an approximation to f^(m)(xi).

2d laplace equation in matlab

The following Matlab project contains the source code and Matlab examples used for 2d laplace equation. Laplace's equation is solved in 2d using the 5-point finite difference stencil using both implicit matrix inversion techniques and explicit iterative solutions. The boundary conditions used include both Dirichlet and Neumann type conditions.

Findfft returns fft amplitude and frequency vectors from input data in matlab

The following Matlab project contains the source code and Matlab examples used for findfft returns fft amplitude and frequency vectors from input data . findFFT returns fft amplitude and frequency vectors from input data, with options to return normal fft, zeropadded fft, windowed fft, or both windowed and zeropadded to remove spectral leakage.

Student's t regression in matlab

The following Matlab project contains the source code and Matlab examples used for student's t regression. Estimates a Student's t regression model: y = X*beta + eps where eps ~ Student's t (0, sigma, nu). with nu > 2. Parameters are estimated with maximum likelihood.

Expectation maximization algorithm for bi variate normal inverse gaussian distribution in matlab

The following Matlab project contains the source code and Matlab examples used for expectation maximization algorithm for bi variate normal inverse gaussian distribution. EM estimation of parameters of bi variate NIG distribution.

Efficient random variates generator (from over 50 distributions). in matlab

The following Matlab project contains the source code and Matlab examples used for efficient random variates generator (from over 50 distributions). . RANDRAW EFFICIENT RANDOM VARIATES GENERATOR (from over 50 distributions): Alpha, Anglit, Antilognormal, Arcsin, Bernoulli, Bessel, Beta, Binomial, Bradford, Burr, Cauchy, Chi,

Fresnel integrals in matlab

The following Matlab project contains the source code and Matlab examples used for fresnel integrals. FRESNEL(X) calculates the values of the Fresnel integrals for real values of vector X,    i.

Block convolution using overlap add method in matlab

The following Matlab project contains the source code and Matlab examples used for block convolution using overlap add method. Overlap Add Method: The overlap–add method is an efficient way to evaluate the discrete convolution of a very long signal with a finite impulse response (FIR) filter where h[m] = 0 for m outside the region [1, M].

Overlap add method using circular convolution technique in matlab

The following Matlab project contains the source code and Matlab examples used for overlap add method using circular convolution technique. Overlap Add Method: The overlap–add method is an efficient way to evaluate the discrete convolution of a very long signal with a finite impulse response (FIR) filter where h[m] = 0 for m outside the region [1, M].

Integrate functions that have strong algebraic end point singularities over a finite, real interval. in matlab

The following Matlab project contains the source code and Matlab examples used for integrate functions that have strong algebraic end point singularities over a finite, real interval. . QUADGK cannot integrate functions with strong end point singularities.

Stft Matlab Code

The short-time Fourier transform (STFT), or alternatively short-term Fourier transform, is a Fourier-related transform used to determine the sinusoidal frequency and phase content of local sections of a signal as it changes over time.

The following matlab project contains the source code and matlab examples used for stft.

Inverse short time fourier transformation (istft) with matlab implementation

The following Matlab project contains the source code and Matlab examples used for inverse short time fourier transformation (istft) with matlab implementation. The present code is a Matlab function that provides an Inverse Short-Time Fourier Transformation (ISTFT) of a given spectrogram stft(f, t) with time across columns and frequency across rows.

Short time fourier transform in matlab

The following Matlab project contains the source code and Matlab examples used for short time fourier transform. This function enables computation of the short time Fourier transform (STFT) of signals.

Short time fourier transform in matlab

The following Matlab project contains the source code and Matlab examples used for short time fourier transform. STFT gives the time information along with frequency information of the signal.

Short time fourier transformation (stft) with matlab implementation

The following Matlab project contains the source code and Matlab examples used for short time fourier transformation (stft) with matlab implementation. The present code is a Matlab function that provides a Short-Time Fourier Transformation (STFT) of a given signal x(n).

Stft, mdct and inverses. onset and pitch detection in matlab

The following Matlab project contains the source code and Matlab examples used for stft, mdct and inverses. onset and pitch detection. --------------------------------------   Class name : Signal ---------------------------------- handles basic Signal operations and transforms.

Stft, short time fourier transform in matlab

The following Matlab project contains the source code and Matlab examples used for stft, short time fourier transform. To compute STFT three windows are available in this code Rectangular, Hamming and Hanning.

De noising signal using dwt in matlab

The following Matlab project contains the source code and Matlab examples used for de noising signal using dwt. m-file for de-noising signal using discrete wavelet transform.

Finite difference band matrix method for laplace equation in matlab

The following Matlab project contains the source code and Matlab examples used for finite difference band matrix method for laplace equation. In this code , Laplacian matrix is formed and used to calculate electric potential of a parallel plate capacitor with initial condition +15 and -15 units on either capacitor plates.

Laplacian in 1d, 2d, or 3d in matlab

The following Matlab project contains the source code and Matlab examples used for laplacian in 1d, 2d, or 3d. The code computes the exact eigenpairs of (1-3)D negative Laplacian on a rectangular finite-difference grid for combinations of Dirichlet, Neumann, and Periodic boundary conditions using explicit formulas from http://en.

Dct laplacian pyramid based image fusion in matlab

The following Matlab project contains the source code and Matlab examples used for dct laplacian pyramid based image fusion. Laplacian pyramid demo, gray image fusion and color image fusion using DCT Laplacian pyramid with code is provided.

Circular convolution using dct and dst in matlab

The following Matlab project contains the source code and Matlab examples used for circular convolution using dct and dst. Matlab code for the algorithm published in V. G. Reju, S. N. Koh and I. Y. Soon, Convolution Using Discrete Sine and Cosine Transforms, IEEE Signal Processing Letters, VOL. 14, NO. 7, JULY 2007, pp.445-448.

Dct and dst (+ inverse) in arbitrary dimension in matlab

The following Matlab project contains the source code and Matlab examples used for dct and dst (+ inverse) in arbitrary dimension. Y = DCTN(X) returns the discrete cosine transform (DCT) of X.

Two types dct ii, dct iv and dst ii, dst iv in matlab

The following Matlab project contains the source code and Matlab examples used for two types dct ii, dct iv and dst ii, dst iv. these two functions are used to transform array of data into: 1- DCT-II or DCT-IV 2- DST-II or DST-IV

Ct reconstruction package in matlab

The following Matlab project contains the source code and Matlab examples used for ct reconstruction package . Set of functions performing ct reconstruction tasks like a radon transformation, a simple backprojection, a filtered backprojection using a convolution in the spatial domain, a filtered backprojection using a 2D Fourier transformation, and a filtered back projection using the central slice theorem.

Numerical inverse laplace transform in matlab

The following Matlab project contains the source code and Matlab examples used for numerical inverse laplace transform. This set of functions allows a user to numerically approximate an inverse Laplace transform for any function of "s".

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