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Prev | Next | zeros |
| Matlab or Octave |
= zeros(m, n)
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| C++ |
zero_matrix<double> x(m, n)
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= zeros(m, n)
sets x to an @(@
m \times n
@)@ matrix with all
its elements equal to zero.
function [ok] = zeros_ok()
ok = true;
m = 2;
n = 3;
% --------------------
x = zeros(2, 3);
% --------------------
[m, n] = size(x);
ok = ok & (m == 2);
ok = ok & (n == 3);
ok = ok & all( all( x == 0 ) );
return
zero_matrix<double> (m, n)
where m and n are size_t objects
and x is an @(@
m \times n
@)@ ublas matrix<double> object.
# include <mat2cpp.hpp>
bool zeros_ok(void)
{ bool ok = true;
using namespace mat2cpp;
size_t i, j, m(2), n(3);
// -------------------------
zero_matrix<double> x(m, n);
// -------------------------
ok &= (x.size1() == m);
ok &= (x.size2() == n);
for(i = 0; i < m; i++)
{ for(j = 0; j < n; j++)
ok &= (x(i,j) == 0.);
}
return ok;
}