File: nnz.cat

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nnz(1)                         Scilab Function                         nnz(1)
NAME
  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

EXAMPLE
  sp=sparse([1,2;4,5;3,10],[1,2,3]);
  nnz(sp)
  a=[1 0 0 0 2];
  nnz(a)

SEE ALSO
  spget