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The ne(M1,M2) command tests if the elements of M1 and M2 are not equal. The result is an integer array with 1's where M1[i] is not equal to M2[i], and 0's where the entries are equal.

M1 and M2 must be the same size, or scalars. If M1 is an array and M2 is a scalar, the result will be an array the same size as M1, with 0 and 1 entries indicating entries that were not equal to the scalar value M2.

$\mathrm{with}\left(\mathrm{MTM}\right)\:$

$\mathrm{M1}≔\mathrm{Matrix}\left(\left[\left[1\,2\right]\,\left[3\,4\right]\right]\right)\:$

$\mathrm{M2}≔\mathrm{Matrix}\left(\left[\left[1\,2\right]\,\left[3\,5\right]\right]\right)\:$

$\mathrm{ne}\left(\mathrm{M1}\,\mathrm{M2}\right)$

$\left[\begin{array}{cc}0& 0\\ 0& 1\end{array}\right]$