Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.


kinor
Posts:
181
Registered:
11/19/09


Re: Creating Adjacency Matrix from a dataset
Posted:
Apr 9, 2013 5:09 AM


"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 coauthorship 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



