Scilab Function
Last update : January 1995
nnz - number of non zero entries in a matrix
Calling Sequence
- n=nnz(X)
Parameters
-
X: real or complex sparse (or full) matrix
-
n: integer, the number of non zero elements in X
Description
nnz counts the number of non zero entries in a sparse or full matrix
Examples
sp=sparse([1,2;4,5;3,10],[1,2,3]);
nnz(sp)
a=[1 0 0 0 2];
nnz(a)
See Also
spget,