HP 15c - Manual (Page 121)

Section 4: Using Matrix Operations 121
Keystrokes Display
lmA 018-45,23,11 Recalls dimensions p + 2 and p
+ 1.
® 019- 34
O2 020- 44 2 Stores p + 2 in R
2
.
´>1 021-42,16, 1 Sets k = l = 1;
´b1 022-42,21, 1 Branch to update ith row.
|"0 023-43, 5, 0
l2 024- 45 2
l0 025- 45 0
l|A 026-45,43,11 Recalls a
p+2,k
.
lA 027- 45 11 Recalls a
kk
.
|T2 028-43,30, 2 Tests a
kk
< 0.
|F0 029-43, 4, 0 Sets flag 0 for negative diagonal
element.
|a 030- 43 16
|: 031- 43 1 Calculates θ
|` 032- 43 35
1 033- 1
´; 034- 42 1 Calculates x = cos θ and
y = sin θ.
|?0 035-43, 6, 0
” 036- 16 Sets x = c and y = s.
´V 037- 42 25 Forms s + ic.
) 038- 33
´b2 039-42,21, 2 Subroutine to rotate row k.
|( 040- 43 33
lA 041- 45 11 Recalls a
kl
.
l2 042- 45 2
l1 043- 45 1
l|A 044-45,43,11 Recalls a
p+2,l
.
´V 045- 42 25 Forms a
kl
– ia
p+2,l
.
* 046- 20
l2 047- 45 2
l1 048- 45 1
O|A 049-44,43,11 Stores new a
kl
.
´} 050- 42 30
´UOA
´U 051u 44 11 Stores new a
p+2,l
, increments R
0
and R
1
.
l1 052- 45 1 Recalls l (column).