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HP Mathematics II User Manual Page 18

Interface:

RAD

{HOME}

PRG

A*X = B

: PartAns Y/N: Y

B{B1...}: {7 6 0}

...}: {xlx2x3x4x5}

m j , , . > ™ » „ , , «

' .- H

The symbolic matrix writer will now appear. The following

matrix is put into it:

' 2

i i

1 1

-1

-4

-1

The example solves the system:

2xi-X2 + 3x3 + 2x4-xs = 7

xi + 2x2+X3-X4+xs = 6

xi - 4x2 -xs + 3x4-xs = 0

The system is indefinite (too few eqautions)) and the solu-

tion is given in terms of xs and X4.

2. Linear algebra

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