Fast Matrix Inversion for Real Numbers

FOCAL8-151

Richard Merrill, Digital Equipment Corporation, Maynard,

Massachusetts

This program will invert a matrix up to size 17x17 of real

numbers using modified Gauss-Jordan methods. It is translated

from DECUS NO. 8-72.

Minimum Hardware:
8K PDP-8, ASR33

Other Programs Needed:
FOCAL-11 or FOCAL-B with 8K

overlay

Restrictions:
If the error check is omitted,

sizable errors will occur

Source Language:
FOCAL-11 (DECUS NO. 11-24)

Catalog: July 1973

Minimum Hardware:	8K PDP-8, ASR33
Other Programs Needed:	FOCAL-11 or FOCAL-B with 8K overlay
Restrictions:	If the error check is omitted, sizable errors will occur
Source Language:	FOCAL-11 (DECUS NO. 11-24)
Catalog:	July 1973