If B is matrix and A is a matrix, then mrdivide(A,B) computes X, where X is the transpose of mldivide(Bt,At) and At (resp. Bt) is the transpose of A (resp. B).

Maple normally treats arrays and vectors as distinct from matrices, in some cases not permitting a matrix operation when the given argument is not specifically declared as a matrix.  This function implicitly extends arrays and vectors to 2 dimensions.  Notably, n-element column vectors are treated as n x 1 matrices.  Also, n-element row vectors and 1-D arrays are treated as 1 x n matrices.

If A is a scalar, then mrdivide(A,B) is computed as if A is a 1 x 1 matrix.

If B is a scalar, then mrdivide(A,B) computes rdivide(A,B).