Given a matrix that includes different nonzero and zero entries, extract the nonzero elements and form a new matrix. The new matrix should maintain the same number of columns.

For example, for the input:

 a = [0 1 0; 1 0 2; 4 3 -5]

the output should be:

 [1 1 2; 4 3 -5]
Solve

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Last Solution submitted on Jul 13, 2026

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