substract two real square matrices element wise A-B = A .sub. B This functionality is provided by f90. Element wise, arrays (of same dimensionality) can be added, substracted, multiplied and divided. sub_real_matrix_matrix is not a LAPACK feature. (Michael)
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=long), | intent(in) | :: | a(:,:) | |||
| real(kind=long), | intent(in) | :: | b(:,:) |