HP 15c User Manual
Page 128
128
Section 4: Using Matrix Operations
128
Keystrokes
Display
l0
037- 45 0
v
038- 36
l|A
039-45,43,11
Recalls a
ii
.
l1
040- 45 1
v
041- 36
l|A
042-45,43,11
Recalls a
jj
.
-
043- 30
Calculates a
ii
−a
jj
.
|T3
044-43,30, 3
Tests x ≥ 0.
t2
045- 22 2
”
046- 16
Keeps angle of rotation between
−90° and 90°.
®
047- 34
”
048- 16
®
049- 34
´b2
050-42,21, 2
|:
051- 43 1
Calculates angle of rotation.
|`
052- 43 35
4
053- 4
÷
054- 10
]
055- 25
Calculates b
ij
.
´UOB
056u 44 12
´U
t0
057- 22 0
´b3
058-42,21, 3
Routine for row = column.
1
059- 1
OC
060- 44 13
Sets c
ii
= 1.
´UOB
061u 44 12
Sets b
ii
= 1.
´U
t0
062- 22 0
l3
063- 45 3
l÷2
064-45,10, 2
Calculates off-diagonal ratio.
¦
065- 31
Displays ratio.
2
066- 2
l>B
067-45,16,12
÷
068- 10
l>C
069-45,16,13
-
070- 30
Calculates B = 2(I + skew)
−1
– I.
l>A
071-45,16,11
´<C
072-42,26,13