IBM 5100 Apl Reference Manual

92
If argument B is an N-rank array, argument A must be a scalar or an array with a
rank
that is one less than the rank of argument B. The shape of argument A must
be the same as argument B less the coordinate being acted on:
B~":5
B
1- 2
"1.
... )
'+
I!!'
.J 6
7
B
9
10
1,1-
:1.2
:1.3
1'+
:I. ~;
:L6
:1.7 1.8
19 20 11.
22 23 2'+
2~5 26 27
pB
333
~~
~3 p \ 27
A~3 3pl 0 0 0 2 0 0 0 0
A
1 () 0 _____ The shape of argument A must be the same
o 2 ()...---- as argument B less the coordinate being
o 0 0 acted on.
pA
3 3
A<lH: 1:lB
:1.0
2 3
'--- The first coordinate (planes) is specified;
4·
23
6
therefore, the rotation is between planes.
"7
8
9
~ArgUment A
19 1:1.
1,2
The first element
0 0
13
16
1
'1 ,.)
.. ,
25
If
"7
1
10
:1.3
:1.6
19
") '1
.: .. I!.
1")1::-
... .... 1
c·
15
in each plane is
... ,
rotated one position 0 2
17
:1.8
between planes.
20
2l
0
0
The middle
1'+
2'+
element in each
plane
is rotated two
21.)
27
positions between
A<I>[2JB
planes.
2
I::'
,J
6
8
3
L
9 The second coordinate (rows) is specified;
:1.7 12
1:1. :I. ~5
1'+
:I.B
20 21
2:5
2'+
26
27
therefore, the rotation is between the rows.
1
0
0
0
2 0
0
0
0
/,------ Argument A
R
otation between rows of
he first plane t
Rotation between rows of
he second plane
t
Rotation between rows of
he third plane
t

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)