HP 48gII User Manual
Page 351
Page 11-25
Under-determined system
Consider the system
2x
1
+ 3x
2
–5x
3
= -10,
x
1
– 3x
2
+ 8x
3
= 85,
with
.
85
10
,
,
8
3
1
5
3
2
3
2
1
−
=
=
−
−
=
b
x
A
and
x
x
x
The solution using LSQ is shown next:
Over-determined system
Consider the system
x
1
+ 3x
2
= 15,
2x
1
– 5x
2
= 5,
-x
1
+ x
2
= 22,
with
The solution using LSQ is shown next:
.
22
5
15
,
,
1
1
5
2
3
1
2
1
=
=
−
−
=
b
x
A
and
x
x
This manual is related to the following products: