/usr/share/freemat/toolbox/array/nnz.m is in freemat-data 4.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | % NNZ NNZ Number of Nonzeros
%
% Usage
%
% Returns the number of nonzero elements in a matrix.
% The general format for its use is
%
% y = nnz(x)
%
% This function returns the number of nonzero elements
% in a matrix or array. This function works for both
% sparse and non-sparse arrays. For
function y = nnz(x)
p = find(x);
y = numel(p);
|