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updated 4 hours ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 3 days ago

Extended DFT by Vilnis Liepins

Program EDFT produce high-resolution N-point DFT for N greater than the length of data vector. (spectral analysis, fft, dft)

EDFT2(x, mrows, ncols)

Y=inedft(F,fn,tn)

[F,S,Stopit]=edft(X,N,I,W)

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updated 5 days ago

josecamachop/MEDA-Toolbox by José

Multivariate Exploratory Data Analysis Toolbox for Matlab (data exploration, matrices, analysis)

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updated 7 days ago

Non-local Means (NLM) denoising for time series, applied to ECG by Brian Tracey

NLM denoising, popular in image processing, is here used for denoising time series data (ECG). (signal processing, nonlocal means, nlm)

NLM_1dDarbon(signal,lambda,P,PatchHW)

createSignalPlusNoise(signal,targetSNR_dB)

lin10(xdb)

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updated 10 days ago

period.m by 2one

Calculate signal period (signal period, period, signal processing)

period(x,y,tres)

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updated 10 days ago

Gaussian smoothing filter by James Conder

Function to smooth a time series using a Gaussian filter. (gaussian filter, signal processing, smoothing)

gaussfilt( t,z,sigma )

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updated 11 days ago

Interpolation Utilities by Joe Henning

A variety of interpolation utilities (interpolation, piecewise interpolati..., cubic interpolation)

baryinv(x, y, xi, c)

cakima(x, y, xi)

cbezier(x, y, xi)

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updated 12 days ago

sampling_gui.m by ABHILASH SINGH

SAMPLING THEOREM USING GUI (signal processing, communications)

sampling_gui(varargin)

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updated 12 days ago

Impulse response acoustic information calculator by Christopher Hummersone

Calculate RT, DRR, Cte, and EDT for impulse response file (audio, signal processing, reverberation)

IR_stats(filename,varargin)

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updated 13 days ago

Kernel PCA and Pre-Image Reconstruction by Quan Wang

standard PCA, Gaussian kernel PCA, polynomial kernel PCA, pre-image reconstruction (signal processing, large data, dimension reduction)

D=distanceMatrix(X)

K=kernel(X,type,para)

K=kernel_NewData(Y,X,type,para)

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updated 13 days ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.7, September, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated 18 days ago

myDFT.m by Mohammad Asif Khan

To compute DFT of a given signal (dft, signal processing, linear algebra)

[y,W]=myDFT(x,N)

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updated 18 days ago

myCirConvMat.m by Mohammad Asif Khan

To perform circular convolution (circular convolution, convolution, signal processing)

[Y,H1]=myCirConvMat(x,h)

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updated 18 days ago

myLinConvMat.m by Mohammad Asif Khan

To perform linear convolution (convolution, linear convolution, toeplitz)

[H,y]=myLinConvMat(x,h)

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updated 18 days ago

AlawCompander.zip by Mohammad Asif Khan

To perform Alaw companding (compander, non uniform quantizat..., alaw)

[C,xmax]=Alaw(x,A)

[C,xmax]=invAlaw(x,A)

[quant,quantnoise]=myquantizer(t,y,L)

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updated 27 days ago

3D trilinear interpolation using GPU by Jun Tan

3D trilinear interpolation using GPU. 20 times faster. (3d trilinear interpol..., interp3, interpolation)

interp3_gpu(x, y, z, v, xi, yi, zi)

test.m

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updated 27 days ago

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (matrices, circular, shift)

fshift.m

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