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Topic: Creating Adjacency Matrix from a dataset
Replies: 7   Last Post: Oct 29, 2013 6:36 AM

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Re: Creating Adjacency Matrix from a dataset
Posted: Apr 10, 2013 3:16 AM
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"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <kk0n50$639$1@newscl01ah.mathworks.com>...
> A=[0 1
> 0 2
> 0 5
> 1 2
> 1 3
> 1 4
> 2 3
> 2 5
> 3 1
> 3 4
> 3 5
> 4 0
> 4 2
> 5 2
> 5 4];
>

> >> accumarray(A+1,1)
>
> ans =
>
> 0 1 1 0 0 1
> 0 0 1 1 1 0
> 0 0 0 1 0 1
> 0 1 0 0 1 1
> 1 0 1 0 0 0
> 0 0 1 0 1 0
>
> % Bruno


hi Bruno Luong
thanks for the solution and your time. this solution works well with small example. the actuall size of dataset i am working on is big. it has 1049866 rows in array A. and when i applied your solution to that dataset it gives me following error massege:

??? Error using ==> accumarray
Maximum variable size allowed by the program is exceeded.

now what shud i do? plz help
Thanks




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