HP -15C Advanced Functions Handbook page 128

126 Section 4: Using Matrix Operations
Keystrokes Display
nRCLlB
072-
073-
074u
075-
076-
077-42
078-
079-
080-
081-
082-
083-
084-
085-
086-
087-
088-
089-
090-
091-
45 5
32 13
44 13
43 32
43 32
,21,13
2
10
16
12
43 36
16
45 2
3
30
2
10
14
20
43 32
Calculates _F
2
2-
Stores F
22
in C.
Skips this line.
Integrand routine.
Calculates e~
x/2
.
Calculates m.
Calculates (x/2)
m
e
Labels used: A, B, and C.
Registers used: R
0
(row), Rj (column), R
2
(n), R
3
(a), R
4
), and
Matrices used: A (x
(
^ +
l)
), B (f(x
(k)
)), C (F(x
w
)), and D (d
(
*>).
Now run the program. For example, choose the values n = 11 and
a = 0.05 . The suggested initial guesses are x^ = 3.25 and ^
2<0)
—
20.5 . Remember that the display format affects the uncertainty of
the integral calculation.
Keystrokes
[STOl2
Display
5.0000
11.0000
Run mode.
Reserves R
0
through R
5
.
Stores n in R
2
.