HP 15c - Manual (Page 127)

Section 4: Using Matrix Operations 127
Keystrokes Display
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Program mode.
´CLEARM 000
´bA 001-42,21,11
l>A 002-45,16,11
O>B 003-44,16,12 Dimensions B.
O>C 004-44,16,13 Dimensions C.
´>4 005-42,16, 4 Transposes A.
l>B 006-45,16,12
O< 007- 44 26
+ 008- 40
2 009- 2
÷ 010- 10
O>A 011-44,16,11 Calculates A = (A + A
T
)/2
´>8 012-42,16, 8 Calculates ||A||
F
.
O2 013- 44 2 Stores ||A||
F
in R
2
.
|` 014- 43 35
O3 015- 44 3 Initializes off-diagonal sum.
O>C 016-44,16,13 Sets C = 0.
´>1 017-42,16, 1 Sets R
0
= R
1
= 1.
´b0 018-42,21, 0 Routine to construct Q.
l0 019- 45 0
l1 020- 45 1
|T5 021-43,30, 5 Tests column = row.
t3 022- 22 3
|T7 023-43,30, 7 Tests column > row
t1 024- 22 1
® 025- 34
l|B 026-45,43,12
” 027- 16
´UOB 028u 44 12 Sets b
ij
= −b
ji
.
´U
t0 029- 22 0
´b1 030-42,21, 1 Routine for column > row.
l|A 031-43,43,11
|a 032- 43 16 Calculates |a
ij
|.
O+3 033-44,40, 3 Accumulates off-diagonal sum.
|K 034- 43 36
v 035- 36
+ 036- 40 Calculates 2a
ij
.