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