check if two variables are not equal to zero.

I have the vector e.g

A=10
B=4
C=0
D=4

V = [A,B,C,D]

How would I check if more than two values equal zero.

Answer 1

[aneps]

 ind=find(V==0)
 size(ind)

OR

 sum(V(:)==0) %this will give the number of zeros