Date: Apr 9, 2013 5:09 AM
Author: kinor
Subject: Re: Creating Adjacency Matrix from a dataset

"Tehmina" wrote in message <kk0fub$gji$1@newscl01ah.mathworks.com>...
> Hi,
> i am a new user of matlab and need help in creating adjacency matrix from a data set. the dataset actulally is a real world dataset of co-authorship relationships. it looks like the following:
> from node id to node id
> 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
>
> the adjacency matrix for above will be
> M= 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
>
> i need code to perform the above task in matlab
> Can anyone help plz


Hi Tehmina

looks like homework, some hints:

indexing starts at 1 in Matlab. so add 1 to your node array before continuing
help sub2ind

hth
kinor