`ztrsm:`procedure`xTRSM`solves one of the matrix equations{{op( A )*X = alpha*B}} or {{X*op( A ) = alpha*B}}.

`op( A )`is one of`op( A ) = A`or`op( A ) = A'`.`ALPHA`and`BETA`are scalars,`A`is a upper or lower triangular matrix, and`B`is a`M x N`matrix.