NX Nastran DMAP Programmer's Guide - Kxcad.net

SMPYAD Matrix series multiply and add
Multiplies a series of matrices together:
Format:
[X] = ± [A] [B] [C] [D] [E] ± [F]
SMPYAD A,B,C,D,E,F/
X/
NMAT/SIGNP/SIGNF/PREC/TA/TB/TC/TD/FORM
Input Data Blocks:
A, B, C, D, E Matrices multiplied from left to right. (Real or complex).
F Matrix to be added to the above product. (Real or complex).
Output Data Block:
X Resultant matrix.
Parameters:
SMPYAD
Matrix series multiply and add
NMAT Integer-input-no default. Number of matrices involved in the product;
i.e., [A][B][C][D][E].
SIGNP Integer-input-default=1. Sign of the product matrix (i.e., [A] [B] [C] [D]
[E]): -1 for minus.
SIGNF Integer-input-default=1. Sign of the matrix. [F], to be added to the
product matrix: -1 for minus.
PREC Integer-input-default=0. Output precision of the final result: 0 for
choose proper precision, 1 for single precision, 2 for double precision.
TA, TB, TC,
TD
Integer-input-default=0. Transpose indicators for the [A] [B] [C] and
[D] matrices: 1 if transposed matrix to be used in the product, 0 if
untransposed. The last nonpurged matrix must be untransposed.
FORM Integer-input-default=0. Form of the X matrix. If FORM is zero, the
form of [X] will be 1 if the result is square, 2 otherwise. If [X] is known
to be symmetric from physical principles, FORM may be set to 6.
Remarks:
1. Except for the final product, all intermediate matrix products are compute in
machine precision.
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