Density Preserving Sampling (DPS) - deterministic crossvalidation by Marcin

MATLAB implementation of the DPS method, able to save computations when compared to cross-validation (crossvalidation, sampling, error estimation)

dps(A,levels,labs)

Pulse code Modulation by Aditya

PCM on a sine wave and a .wav file for demonstration of various processes done during PCM. (communications, simulation, decoder)

final_PCM.m

verify_pcm_next.m

Generate Random Numbers from a 2D Discrete Distribution by Tristan Ursell

Random numbers from any 2D discrete probability distribution, at any resolution. (discrete, distribution, generate)

[x0,y0]=pinky(Xin,Yin,dist_in,varargin)

c2ddelay by Carlos Mario Velez Sanchez

Convert from continuous with delay to discrete-time models with extra state variables (control design, sampling)

c2ddelay.m

Live audio stream analyser and voice coach by Steve Lawrence

A program that uses 'analoginput' to create a live audio stream, which is analyzed in real-time. (singing, coach, signal processing)

liveon.m

Undersampling GUI by Nikolay S.

Understand Undersampling easily with appropriate spectra plots and tables. (signal processing, sampling, spectra)

UndersamplingGUI(varargin)

Image Resize by Yan Maraden Sinaga

Another function to resize an image. (resize, scaling, enlarge)

img_out=imageresize(img_in, rowScale, colScale);

Sampling Of 2D Geometrical Object via Line Beams by Michael Chan

Illustrates coordinated sampling of a geometrical shape such as an eclipse is used in this case. (ray, plot, beam)

calculateEllipse(x, y, a, b, angle, steps)

deg2rad( inDegrees )

getPointsBetween2Points (startp,endp,pts)

Gibbs Motif Sampler by Brad Ridder

Finds motifs and the optimum width via Gibbs sampling. No toolboxes required. (motif search, montecarlo, markov)

gibbsmotifsampler(seqArray,motifVector,alphabet,Options)

samplepick by Mauro

pick a random sample out of an array (statistics, simulation, random)

samplepick(x,n,dim)

Probablistic Logic Sampling (PLS) by Guangdi Li

It is credited as 1th algorithm applying stochastic sampling to belief updating in Bayesian networks (sampling, bayesian network, simulink)

BinaryPLS_GenerateRandomData( GraphMatric,Number )

CompDecilToInt( RangeOfVar,CompDecNumber )

GenerateDAG( Node )

Dilates matrix data by Joshua Carmichael

Dilates a time series input and resizes it. (signal processing, wavelets, dsp)

[W]=dilateColumns(data,varargin)

Sampling from a discrete distribution by Dahua Lin

The function is to draw samples from an arbitrary discrete distribution. (monte carlo, sampling, simulation)

discretesample(p, n)

Sampling Example by Ivan Dario Castano Perez

Shows how sampling works (ideal sampling, sampling, natural sampling)

Chap1a(varargin)

Slice Sampling by Karthik Sridharan

Sample user defined density functions using slice sampling method. (statistics, probability, sampling)

func(x,funcname)

slicesample(funcname,siz,number)

Metropolis Hastings Sampling by Karthik Sridharan

Sample from a user defined function using metropolis hastings sampling method. (hasting, metropolis, sampling)

func(x,funcname)

hastingsample(funcname,siz,number)

Restricted sampling from Gaussian Distribution by Kanchi

Sample x from N(x_mu, x_var), restricted in x_min<=x<=x_max. (image analysis, monte carlo, sampling)

func_restricted_sampling(x_mu, x_var, x_min, x_max);

ltpnorm(z)

ltqnorm(p)

Latin Hypercube Sampling by Budiman Minasny

Latin Hypercube Sampling (cdf, sampling, lhs)

[L,D,E,pneg]=mchol(G)

[r,i]=ranking(x)

ltqnorm(p)

cltexp by Peter Dunn

The function cltexp supplies a sampling distribution from an exponential distribution. (statistics, probability, distribution)

cltexp(option)