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I'm currently working on an undergraduate thesis that requires the use of graph theory(shortest path problem) in MATLAB. However, all the graph functions that I see in the MATLAB help bar do not make use of square grids. I am currently using the graphtraverse function for traversal by following adjacent nodes.

Is there any way where I can convert all the nodes into square grids?

Thanks!

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If you need something that you cannot find in MATLAB / official toolboxes it is a good idea to check out the MATLAB exchange (http://www.mathworks.de/matlabcentral/fileexchange).

For graph theory there is for example the following toolbox available (http://www.mathworks.de/matlabcentral/fileexchange/4266)

Peter

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See here, how graph theory can be used to segment retinal boundaries in optical coherence tomography (OCT) images, with the full MATLAB code and explainations: Segmentation of Retinal Layers in OCT images with Graph Theory (Includes finding the shortast path)

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I'd like to add this toolbox also:

http://strategic.mit.edu/downloads.php?page=matlab_networks

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