IBM 5100 Basic Reference Manual

(
Example
The following example shows execution of a MAT (inverse) statement:
20 DIM X(2,2). Y(2,2)
80 IF DET (Y)
= 0 GOTO 300
90
MAT X = INV (Y)
295 GOTO 310
300 PRINT
'SINGULAR MATRIX'
310 END
The resulting values are:
If Y is , then X is
2
2 -1
-1
127

IBM 5100 Specifications

General

Release Year	1975
RAM	16 KB - 64 KB
Storage	204 KB tape drive
Display	5-inch CRT
Operating System	APL/BASIC
Processor	IBM PALM (1.9 MHz)