how to fix random seed in inbuilt ga in matlab

I am trying to use inbuilt ga to use some objective. for running the results varies, so i would like to get the same results that i got last time. for this random seed is used to fix random number generator so that the results are same for a seed value. please help me in this

Answer 1

[kjetil87]

Create a seed and use that.

init=100;
mySeed=RandStream.create('mt19937ar','seed',init);

now you can either use

numb=rand(mySeed,[m,n]); % m, n desired size

or you can set it as default by:

RandStream.setDefaultStream(mySeed); % for newer versions use setGlobalStream