HP F2226A - 48GII Graphic Calculator User Manual page 351

Graphing calculator
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Under-determined system
Consider the system
with
2
3
A
1
The solution using LSQ is shown next:
Over-determined system
Consider the system
with
1
A
2
1
The solution using LSQ is shown next:
2x
+ 3x
–5x
= -10,
1
2
3
x
– 3x
+ 8x
= 85,
1
2
3
x
1
5
,
x
,
x
2
3
8
x
3
x
+ 3x
= 15,
1
2
2x
– 5x
= 5,
1
2
-x
+ x
= 22,
1
2
3
x
1
5
,
x
,
and
x
2
1
10
b
.
and
85
15
b
5
.
22
Page 11-25

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