NX Nastran DMAP Programmer's Guide - Kxcad.net

1223
MPYAD
Matrix multiply and add
MPYAD Matrix multiply and add
Perform the multiplication of two matrices and optionally, the addition of a third
matrix to the product.
Format:
MPYAD A,B,C/X/T/SIGNAB/SIGNC/PREC/FORM $
Input Data Blocks:
A Left-hand matrix in the matrix product.
B Right-hand matrix in the matrix product.
C Matrix to be added to the product.
Output Data Block:
X Matrix product.
Parameters:
T Integer-input-default = 0. Transpose flag.
T = 1, perform
T = 0, perform
SIGNAB Integer-input-default = 1. Sign of product flag.
SIGNAB = +1, perform
SIGNAB = -1, perform
SIGNC Integer-input-default = 1. Sign of [ C]
flag.
SIGNC = +1, add
SIGNC = -1, subtract
[ X]
[ A]
T
= ± [ B]
± [ C]
[ A]
T [ B]
[ A]
[ B]
[ C]
[ A]
[ B]
– [ A]
[ B]
[ C]