Points and Lines Drawing Tools by Marco Chak Yan Yu

A simple code to implement points and point-to-point lines drawing in a figure. (gui, draw, graph)

DrawGUI(varargin)

H=gsortline(fig,env,xy,xyi,direction,interp1method,bin,pty,...

h=gpoints(fig,env,xy,varargin)

Modified & Generalized Dunn's index by Nejc Ilc

An implementation of Modified and Generalized Dunn's index for internal cluster validation. (clustering, validation, dunns index)

DI=indexDN(data,labels,distance)

[G,d,uniqueInd]=graph_create(data,labels,graph_type,options...

[fig]=scatterPlot(data,labels,options)

Bar Chart with Error Bars by Martina Callaghan

This is a very simple extension of MatLab's bar function to add error bars. (bar, error, errorbar)

barwitherr(errors,varargin)

Region Adjacency Graph (RAG) by David Legland

Computes the graph of adjacent regions in a labeled image (rag, watershed, graph)

demoImRAG

imRAG(img, varargin)

figtopdf by Alexandre Willame

figtopdf is a small function that saves the current figure as a .pdf image. (pdf, image, graph)

figtopdf(myfigname, nocomment)

img2curve by Amihay Blau

Imports curves from pictures and graphs (digitize, digitizing, image to curve)

img2curve

columnlegend by Simon Henin

Creates a legend with a specified number of columns (columns, legends, figure)

columnlegend(numcolumns, str, varargin)

K shortest paths in a graph represented by a sparse matrix (Yen's algorithm) by El-ad David Amir

Determine the K shortest paths from node S to node T. (dijkstra, graph, shortestpath)

graphkshortestpaths.m

Edgelist for Adjacency Matrix that represents unweighted undirected graph by Zhana Kuncheva

Produces the edgelist of any adjacency matrix representing an undirected unweighted graph. (graph, edgelist, adjacency matrix)

edgelist.m

Breath First Search by Anh-Dung Nguyen

Breath First Search algorithm to find shortest paths in a network (bfs, graph, shortest path)

bfs(A,s,t)

Graph incidence matrix to adjacency matrix by Ondrej

Conversion from graph incidence matrix to adjacency matrix. (graph, incidence, adjacency)

inc2adj(mInc)

k-clique algorithm by Anh-Dung Nguyen

k-clique community detection algorithm (k clique, network, kclique)

k_clique(k,M)

clplot: plot line with level-dependent color by Carl Witthoft

Creates a line plot whose color depends on which 'slice' of the y-range the y-value falls into. (statistics, graph)

clplot( x, y, cutval, cols, varargin )

Connected Component Analysis on an Undirected Graph by Tristan Ursell

Connected component analysis on undirected graphs, with thresholding and connectivity constraints. (graph, theory, undirected)

[groups,orphans]=graph_analysis(W,varargin)

an implementation of min-cut algorithm by Hu

min-cut for a connectivity weight graph (mincut, graph)

mincut(g, s)

Custom Colors for Plots by Andres

This function provides a selection of colors easy to differentiate for plotting graphics. (plot, graph, color)

ccol=CustomColors(ct1)

Tree data structure as a MATLAB class by Jean-Yves Tinevez

A per-value class that implements a generic tree data structure. (data structure, tree, graph)

tree

Make Pretty (Publishable) Graphs by Ruth Livingstone

Easily create publishable ready figures. Great used with export_fig or on its own. (figure, edit, graph)

pubgraph(fh,FS,LW,CL)

Adjust PDF page by Cris Luengo

MATLAB writes figures to PDF files as a full page. This function corrects that. (print, publish, pdf)

adjustpdfpage(figh,width)

Solve the puzzle via djstra shortest path algorithm by Su Dongcai

an interesting application of djstra algorithm (djstra, demo, image processing)

shortestPath(img, sp, dp)

find graph conected components by Maxim Vedenyov

[labels roots] = graph_connected_components(connection_matrix) (graph, connected components, breadthfirst search)

graph_connected_components(C)

zz_test_graph_connected_components.m

zz_test_graph_connected_components_picture.m

PhotoShop Scatter by Robert Macrae

A script for creating transparent scatter plots in Photoshop. Requires Photoshop. (data export, scatter, transparent)

psscatter(X,Y,PointSize,DataPointLocation)

Count all cycles in simple undirected graph by Jeff Howbert

Counts all cycles in a simple undirected graph up to specified size limit, using backtracking. (graph, undirected, count)

cycleCountBacktrack( inputFormat, source, varargin )

readGraph( inputFormat, source )

Count all cycles size 3 to 9 in simple undirected graph by Jeff Howbert

Counts all cycles size 3 to 9 in simple undirected graph, using pruned combinatorial enumerations. (count, cycle, graph)

cycleCountCombin( inputFormat, source )

readGraph( inputFormat, source )

IPN_voxelGraph by Xi-Nian Zuo

Functions to Generate Large Correlation Matrix and Sparse Matrix of Huge Graph. (correlation, brain, connectome)

IPN_calLCAM(data, thresh, nblock, connType)

IPN_fastCorr(X, Y)

Graph adjacency matrix to incidence matrix by Ondrej

Conversion from graph adjacency matrix to incidence matrix. (adjacency, graph, incidence)

adj2inc(mAdj,varargin)

Draw grpah of a function on matrix by David Silver

FCN2MAT Convert user-defined single-valued function to matrix (function plotting, plot, draw)

fcn2mat(fcnstr,minX,maxX,perX,lineWidth,perY,minY,maxY)

Real-Time Auto-Scrolling Graph from Serial Port by Shashank

It Plots a real-time running graph taking inputs from a serial port. (serial, real time, graph)

Plotter.m

Publication Quality Plots by Sourav Chatterjee

Creates Publication quality plots, removing white space, making fonts readable,printing in high res. (article, physics, publication quality)

[]=plotpub(h,xl,yl,file,w_inch,dpi,life_size)

sampleplot.m

Controllable tight subplot by Nikolay S.

Subplot wrapper, allowing better figure utilization, by tighter axes. (subplot, figure, axis)

h=subplot_tight(m,n,p,margins,varargin)

demo_subplot_tight.m

GraphScannerGUI by Mikko Leppänen

GraphScanner GUI program allows to extract data values from graphs. (graph, pictures, images)

addNewPoint(scObj,varargin)

calculation(x,y,data,xyScaleMatrix)

cellSelection(scObj,varargin)

othercolor by Joshua Atkins

Extra colormaps for plotting. Contains diverging, sequential, categorical, and perceptual maps. (color map, colormap, color)

othercolor(n,m)

Generate maximally perceptually-distinct colors by Tim Holy

Choose a set of n colors that can be readily distinguished from each other (color, colormap, legend)

distinguishable_colors(n_colors,bg,func)

Spider(rader) Chart for Multi Data by Li Cheng

Plots a radar (spider) chart for Multi-Data (no need of circle function here) (chart, graph, radar)

f=radarplot(R,Lable,LineColor,FillColor,LineStyle,LevelNum)

grTheory - Graph Theory Toolbox by Sergii Iglin

28 functions for different tasks of graph theory (clique, graph theory, tree)

BG=grBase(E)

CBG=grCoBase(E)

CoCycles=grCoCycleBasis(E)

Embed and overlay plots and images by Michael Chan

The objective is to illustrate the simple examples of embedding and overlaying plots and images. (overlay, image, graph)

plotFootPrintWithinImage.m

plotWithImageBackground.m

plotWithinPlot.m

Spanning tree gui by Maxim Vedenyov

spanning tree for randomized nodes with range. (spanning tree, graph, breadthfirst search)

main(varargin)

randomize_clb(isrand)

the Network Simplex Algorithm by Naomichi Aoyama

the Network Simplex Algorithm (optimization, graph theory, network)

admissible( f )

cy( A,i,j )

edge( L,n )

Convert Image To And From Graph Coordinates by Michael Chan

Illustrates mapping of binary image to graph coordinates and vice-versa. (image, plot, coordinates)

mapPixelsToCoordinatedPlotGraph(pixeliZedScratchPad, ...

plotCoordinatesToImagePixels(x_coordinates, y_coordinates, ...

usage_ImageToAndFromGraphCooridinates.m

Display Stock Data by Peter Webb

Internet enabled data analysis and visualization. (candlestick, data, news)

DisplayStockData(symbol, startdate, frequency, periods)

GetStockData(symbol, startdate, frequency, periods)

daxis(aksis,dateform,startdate)

Heuristic Algorithm for finding Maximum Independent Set by Roberto Olmi

Outputs the independent set of maximum cardinality. Runs in O(n^2) time, n=graph size. (independent set, vertex cover, clique)

x=findMIS(AD,priority)

YIPLOT : Easy plot by Yi Sui

YIPLOT makes plot much easier. you can use it to compress a bunch of codes into one single line. (plot, graph, self_rating)

h=yiplot(varargin)

Maximal Cliques by Ahmad

Finds all the maximal complete sub-graphs (maximal cliques) in a graph (clique, rectangular, complete subgraph)

maximalCliques( X, MAX_CLIQUE_SIZE )

dep by Thomas Guillod

Make a dependency report for a matlab file and plot the call graph. Make only static code analysis. (report, dependency, calling)

dep(indir,main,reclim,others,fileout)

dep1()

dep2()

ADJ2NetGrh by Seal Huang

Writes a Pajek ".net" files from a MATLAB matrix (pajek, graph)

ADJ2NetGrh(CIJ, CIJ_Coordinate, fname, arcs, threshold)

Plots a surface coloring by layers (using contour curves) by Rafael Palacios

Creates a surface and applies color by layers. Different elevation levels are clearly identified. (surface coloring, elevation, contour)

[s m]=surflayers(X,Y,Z,layers)

ashape: a pedestrian alpha shape extractor by us

extracts 2d alpha shapes from a set of x/y data points (alpha shape, segmentation, geometry)

fh=aslib(varargin)

p=ashape(varargin)

prettyplot by Cris Luengo

Prettier line plots with markers. (plot, graph, line)

prettyplot(varargin);

graphViz4Matlab by Matt Dunham

Display a directed or undirected graph in a Matlab figure window. (directed graph, specialized, graph)

addtosystempath(p)

adj2pajek2(adj,filename, varargin)

findString(str, cellArray,ignoreCase)

Acids by Giuseppe Cardillo

Plot the dissociation plot of a given acid (chemistry, physics, graph)

acids(varargin)