HP HP-11C

148 Section 10: Applications Programs
The three loop equations are:
Loop1 41, — 41, + 151, —15I3—-40=0
Loop 2 41,— 41, +8I,+10I,—10I3=0
Loop 3 1013 — 101, + 113+ 1513— 151, =0
or 191, — 41, — 1515=40
_411 + 2212 - 1013 =0
—1511 - 1012 + 2613 =0
or in matrix form
19 -4 -15][1, 40
-4 22 -10||L|=]o0
-15 -10 26| I, 0
Keystrokes Display
19(ST0]5
4 [cHs](sT0]6
15 [CHS][sTO]7
4 [cHs](sT0]8
22 [5T0)9
10[cHs](sT0](-]JO
16 [CHS](STO](-]1
10 [cHs](sTO](-]2
26 (sT0](]3
Delete the simultaneous equations routine if it is still in program
memory, and insert the determinant routine.
2,402.0000
Delete the determinant routine and insert the simultaneous
equations routine.
40
O [ENTER 7.8601
R/S 4.2298
R/S 6.1615