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/GNU Fortran 7

9.186 MATMUL — matrix multiplication

Description:

Performs a matrix multiplication on numeric or logical arguments.

Standard:

Fortran 95 and later

Class:

Transformational function

Syntax:

RESULT = MATMUL(MATRIX_A, MATRIX_B)

Arguments:
MATRIX_A An array of INTEGER, REAL, COMPLEX, or LOGICAL type, with a rank of one or two.
MATRIX_B An array of INTEGER, REAL, or COMPLEX type if MATRIX_A is of a numeric type; otherwise, an array of LOGICAL type. The rank shall be one or two, and the first (or only) dimension of MATRIX_B shall be equal to the last (or only) dimension of MATRIX_A.
Return value:

The matrix product of MATRIX_A and MATRIX_B. The type and kind of the result follow the usual type and kind promotion rules, as for the * or .AND. operators.

See also:

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/MATMUL.html