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Mathematics Programs 15–19
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Example:
For the system below, compute the inverse and the system solution. Review the
inverted matrix. Invert the matrix again and review the result to make sure that
the original matrix is returned.
23X + 15Y + 17Z = 31
8X + 11Y – 6Z = 17
4X + 15Y + 12Z = 14
Keys: Display: Description:
W
A
@
value
Starts input routine.
23
f
@
value
Sets first coefficient, A, equal to
23.
8
f
@
value
Sets B equal to 8.
4
f
@
value
Sets C equal to 4.
15
f
@
value
Sets D equal to 15.
.
.
.
.
.
.
Continues entry for E through L.
14
f
@)
Returns to first coefficient entered.
W
I
8)
Calculates the inverse and displays
the determinant.
W
M
%/)
Multiplies by column vector to
compute X.
f
¸/)
Calculates and displays Y.
f
'/.)
Calculates and displays Z.
W
A
@)
Begins review of the inverted
matrix.
f
@.)
Displays next value.
f
@)
Displays next value.
f
@)
Displays next value.
f
@)
Displays next value.
f
@.)
Displays next value.