HP 15c User Manual
Page 122
122
Section 4: Using Matrix Operations
122
Keystrokes
Display
l0
053- 45 0
Recalls k (row).
|£
054- 43 10
Tests k ≤ l.
t2
055- 22 2
Loops back until column reset to
1.
|"8
056-43 5 8
Turns off Complex mode.
O1
057- 44 1
Stores k in R
1
(l).
l2
058- 45 2
|£
059- 43 10
Tests p + 2 ≤ k.
|n
060- 43 32
Returns to last row.
t1
061- 22 1
Loops back until last row.
´bC
062-42,21,13
Program to calculate current
solution.
lmA
063-45,23,11
v
064- 36
´mA
065-42,23,11
Eliminates last row of A.
O0
066- 44 0
Stores p + 1 in R
0
.
O1
067- 44 1
Stores p + 1 in R
1
.
1
068- 1
´mC
069-42,23,13
Dimensions matrix C to
(p + 1) × 1.
0
070- 0
O>C
071-44,16,13
Sets matrix C to 0.
“
072- 26
9
073- 9
9
074- 9
”
075- 16
Forms 10
−99
.
lA
076- 45 11
Recalls q = a
p+1,p+1
.
|~
077- 43 20
Tests q = 0.
)
078 33
Uses 10
−99
if q = 0.
”
079- 16
l0
080- 45 0
1
081- 1
O|C
082-44,43,13
Sets c
p+1,1
= −q.
l>C
083-45,16,13
l>A
084-45,16,11
´ 085-42,26,13 ÷ 086- 10 Stores A −1 C in C. l0 087- 45 0 1 088- 1