Blend Color by Giacomo Alessandroni

BLENDCOLOR - Blend two colours specifying the fractional position (color, interpolation, image processing)

blendcolor(from, to, pos)

Volumetric Data Explorer by Adam Filion

App for exploring higher dimensional data using volumetric visualizations and animation. (4d, movie, visualization)

Data Explorer

The carpetplot class by Matthias

Create carpet plots and cheater plots easily (plotting, carpet, carpet plot)

Carpetplot Class Example Plots

arrow(varargin)

h=hatchedline(xc,yc,linespec,theta,ar,spc,len,varargin)

Contour Line Smoothing by Duane Hanselman

Smooths contour lines by fitting them with a 2-D spline. (interpolation, data exploration, graphics)

[cout,h]=contourspline(varargin)

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

N Dimensional Cardinal Spline (Catmull-Rom) Spline Interpolation by Dr. Murtaza Khan

N -Dimensional cubic Cardinal spline (Catmull-Rom) Interpolation (3d, interpolation, 2d)

[MatNbyNPlusOne]=crdatnplusoneval(P0,P1,P2,P3,T,n)

[Pu] =evalcrdnd(P0,P1,P2,P3,T,u)

main.m

Draw lines with arrows by Sabesan

Draw lines with arrows. Multiple optional parameters are given for controlling the arrow and line (draw lines, plot, figure)

draw_line2(p1, p2, varargin)

Explore Experimental Data by Alexander Klein

The tool makes some of MATLAB's plotting and analysing functions available by a GUI (gui, plotting, signal processing)

dataExpDemo1()

dataExpDemo2()

dataFilterStandard(x, y, Fc)

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Plots STFT using line, Stem, Surface, Image. STFT calculation done using in built function (plotting stft, plotting spectrogram, signal processing)

spectrogram_multiplot(plot_type, data, varargin)

spectrogram_multiplot_demo.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)

Discrete Fourier transform Plot by Enrico

Creates a spectral components plot from a signal vector. (fft, measurement, signal processing)

fftplot(varargin)

Matrix Convolution with Sub-Pixel Resolution by Tristan Ursell

Convolve two matrices at sub-pixel resolution, using bilinear interpolation. (matrix, convolve, convolution)

matout=matoverlay(mat1,mat2,x,y)

Graphic depiction of timelines by Kevin Bartlett

Makes horizontal timeline plot. Timelines can start and stop either once or multiple times. (time, graphics, plot)

timeline(lineNames,startTimes,endTimes,varargin)

plot3rgb by Siddharth Ray

Plot a colored 3 D line changing its color with distance in the space. (color, line, plot)

plot3rgb(P)

Convolve/ Deconvolve Gaussian impulse response and unit impulse vectors by Bruce Raine

This function demonstrates how to convolve and deconvolve data as well as plots it and returns it. (filter, plot, signal processing)

plotImpulses(inFile)

Quick Structured Mesh Generator by Tolga Birdal

Fast generation of structured meshes given the vertices (MEX!). Interpolation/resizing of the mesh. (3d, point cloud, interpolate)

[]=make_mesh_structured()

drawMesh(vertex, face, varargin)

mask2poly by Nikolay S.

Finds a polygon enclosing the user defined mask. Inverse of poly2mask :). (contour, roi, mask)

[xCW,yCW]=sortPoint2ContourCW(x,y)

[xDistSort,yDistSort]=sortPointMinDist(x,y)

poly=mask2poly(mask,countourType,sortPointsMethod)

Plotstack by Christos Saragiotis

A plot utility, to plot graphs one over the other (or one next to the other vertically) (measurement, demo, visualization)

plotstack(X,varargin)

Surface2VTK by James Ramm

Interpolates scattered data and saves the result to a vtk file. (vtk, surface, surf)

fillElevation(Elev,ncellX,ncellY,nlayer,nR)

meanRes(R,ncellY,ncellX,nlayer)

surface2vtk(x,y,z,r,vtkname)

2-D convolution using the FFT by David Young

Convolution in 2-D using the Fast Fourier Transform. (convolution, filtering, fft)

conv_fft2(x, m, shape)

exindex(arr, varargin)

Shaded time series by Carl Fischer

Plot time series one above the other with coloured strips highlighting interesting features. (annotation, customization, highlight)

shadedTimeSeries(X, Ydata, indicator, Xlabel, Ylabels, colo...

DifferenceChart Demo by Sven Koerner

Demonstration of DifferenceChart in TimeSeries. Uses JFreeChart and Matlab (time, timeseries, plot)

differencechart_demo

Minimum Entropy Deconvolution (MED 1D and 2D) by Geoff McDonald

Generates a 1D FIR filter iteratively to minimize the entropy of the filtered signal(s). (minimum entropy decon..., deconvolution, 1d)

med2d(x,filterSize,termIter,termDelta,plotMode)

Dialplot Demo by Sven Koerner

Dial example of using JFreeChart and Matlab functionality within Matlab. (java, dial, time)

dialdemo.m

SigPlot by Yannis Agiomyrgiannakis

An advanced interface for 1-D signal visualization & editing. (visualization, plotting, signal processing)

ConstructWindow(WindowType, n, winopt)

ParamEditor(param)

VectorDataPlot_MappingFunction_AR(vector_data_plot_panel, v...

Matlab, Nyquist, Power system, Plots, Nyquist plot. by satendra kumar

To get a appropriate Nyquist plot. (power system, demo, optimization)

lnyquist1(a,b,c,d,iu,w)

Speech Spectrogram by Kamil Wojcicki

High quality speech spectrogram plot generation routine (spectrogram, image, power spectrum)

myspectrogram(s, fs, T, w, nfft, Slim, alpha, cmap, cbar, t...

test_myspectrogram.m

Track, Collect And Tar Inputs And Outputs by Michael Chan

Illustrates status tracking and collation of inputs and results. The package is tar'red for sending. (track, time, tar)

savefigs(imageResultRepository, imageFileType)

timeStampedFile( file, numberOfFileExtensions, secondsMode ...

usageTar_unTarFiles.m

GAFFE A toolbox for solving evolutionary nonlinear PDEs by Edward Grace

This toolbox implements the well known split-step Fourier technique for solving nonlinear PDEs. (soliton, 2d, 1d)

B=fftnpad(A,varargin)

DefaultDiffraction(dz,KX,X,u,U)

DefaultDiffractionFibich(dz,KX,X,u,U)

plotXmatrix.m by Joshua Carmichael

Plots data on separate y-axes (matrix, signal processing, time series)

[dataout,varargout]=plotXmatrix(data,varargin)

plot_cc by Lang Withers

Makes a plot to visualize a sequence of complex numbers directly, as a "complex cylinder.". (specialized, plotting, complex plots)

...

test_cc.m

Linear Regression with Errors in X and Y by Travis Wiens

Calculates slope and intercept for linear regression of data with errors in X and Y. (statistics, slope, errors)

ellipse(Xc,Yc,dX,dY,N_p)

york_fit(X,Y,sigma_X,sigma_Y, r)

demo_york.m

Spectrogram Scope by Scott Hirsch

Live updating spectrogram display. (specgr, real time, realtime)

specgramscope(varargin)

Spectrum Scope by Scott Hirsch

Easily compute and display a real-time FFT. (data acquisition, real time, fft)

spectrumscope(varargin)

spectrumscope_ex2

spectrumscope_ex3

Interpolation for missing data by Prakash Manandhar

Interpolates using nearest neighbor, bilinear or bicubic formula for missing data points (2d, image processing, nonuniform grid)

bicinter(x, y, z, x0, y0)

findnearest (x, y, z, x0, y0, N)

lininter(x, y, z, x0, y0)

imagescnan.m v2.1 (Aug 2009) by Carlos Adrian Vargas Aguilera

Same as IMAGESC but ignores NaNs. (color freeze, surf, imagesc)

imagescnan(varargin)

Bezier Interpolation in N-Dimension Space by Dr. Murtaza Khan

Bezier interpolation for given four control points. Each control point can be in N-Dimensional. (3d, n dimension, bezier)

[Q]=bezierInterp(P0,P1,P2,P3,varargin)

bezierInterpTest.m

vebyk by Rolf Sidler

vebyk performs ordinary kriging and can be easily adapted to other kriging methods. (kriging, 2d, approximation)

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

Coherently aligns data by Joshua Carmichael

Aligns data according to cross-corr maxima (cross correlation, plotting, array processing)

[y,varargout]=xcorAlign(x)

plotColumns.m: plots columns in matrix as time series by Joshua Carmichael

Plots matrix columns w/options (plotting, signal processing, annotating graphs)

[varargout]=plotColumns(data,varargin)

smooth2a by Greg Reeves

Smooths a 2D matrix using a mean filter over a user-defined rectangle. Ignores and preserves NaNs. (2d, approximation, interpolation)

smooth2a(matrixIn,Nr,Nc)

fseriedemo by Matt Fig

Calculates and plots the Fourier Series Approximation to function f. (demo, plot, series)

fseriesdemo(f,b,NN)

Sound Card Spectral Analyser GUI by Rodney Thomson

Acquire data from soundcard and plot in time and frequency domains (example, application, fft)

SoundcardSpectralAnalyser_GUI(varargin)

SoundcardSpectralAnalyser(time_plot, freq_plot, varargin)

signalwidth.m by Joshua Carmichael

Finds the signal widhth of vector or matrix of data (dsp, signal width, signal processing)

[w]=signalwidth(x,varargin)

Sound Card Spectral Analysis by Rodney Thomson

Acquire data from soundcard and plot in time and frequency domains (example, application, fft)

soundcardSpectralAnalysis(Fs, n_bits, n_channels, update_ra...

Plot Intensity on Sphere by David Johnstone

Plot intensity (color) for given points on a sphere. (specialized, plotting, plot)

PlotSphereIntensity(az, el, varargin)

Signal Processor for Graphs (Pictures) update 1 by Suresh Kumar Gadi

This GUI "Signal Processing tool" will help us to process signal from any picture file or user defin (data exploration, discrete, signal processing)

gskmadepictupdate1(varargin)

Frequency Plotting by Abhijit Navalekar

convenient way to plot frequency content (fft, signal, frequency)

userfft(input,varargin)

Graphical Points Selection by Thomas Montagnon

A graphical selection of points where you want to apply specific treatment (data exploration, selection, plot)

sample_select_data()

tinterp - an alternative to griddata by Darren Engwirda

Linear and quadratic interpolation for scattered data (scattered interpolati..., 2d, quadratic)

tester

tinterp(p,t,f,xi,yi,method)