China Naming Network - Ziwei Dou Shu - How to randomly select a few from one matrix and count them in another matrix in matlab, the position is the same as before.
How to randomly select a few from one matrix and count them in another matrix in matlab, the position is the same as before.
For example, you have to pick three at random.
n = 3；
la = numel(a)；
t = 1；
p = rand perm(La)；
ind = P( 1:n)；
b = 0 * a；
b(ind)= a(ind)；