Hewlett-Packard 40gs Manual

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14-36 Computer Algebra System (CAS)

L1=2L1+L2

ENTER

Reduction Result

then press ENTER. The following is then written to the

Equation Writer:

(x = −2) AND (y = −1)

Example 2

Type:

(2·X+Y+Z=1)AND(X+Y+2·Z=1)AND(X+2·Y+Z=4)

Then, invoke LINSOLVE and type the unknowns:

X AND Y AND Z

and press the ENTER key.

The following result is produced if you are in Step-by-step

mode (CFG, etc.):

L2=2L2−L1

ENTER

L3=2L3−L1

and so on until, finally:

Reduction Result

11 3

02– 2–

20 4

02– 2–

211 1–

112 1–

121 4–

211 1–

013 1–

121 4–

80 0 4

08 0 20–

00 8–4–

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