Synonym for matrix with m rows and n columns, where m ≠ n.
Also a synonym for non-square matrix.
Examples
The matrices A = [latex]\begin{pmatrix} a & e\\b & f\\c & g\\d & h\end{pmatrix}[/latex] and B = [latex]\begin{pmatrix} j & k & l\\m & n & o\end{pmatrix}[/latex] are rectangular matrices.
