Sharp EL-9650 - Math

143
MATRIX FUNCTIONS
(2) MATH
• Next, the special matrix function menu is ex-
plained below.
• Press
D to open the matrix MATH menu. This
menu contains options 1 to 4.
[1 det] Used to calculate the determinant from the
matrix to obtain the solution.
This command can be used only when the number of rows and columns are
the same.
<Example>
To calculate the determinant of mat A:
:
Entry: det mat A
Answer: 172
[2 trans] Used to calculate the transposed matrix (rows and columns of the matrix are
swapped).
<Example>
To calculate the transposed matrix of mat B:
:
Entry: trans mat B
Answer:
[3 row EF] Used to calculate the row-echelon form of the
matrix.
<Example>
To calculate the row-echelon form of mat A:
(TAB: 2, FSE: set to FIX):
Entry: rowEF mat A
Answer:
1.00 .25 .75
.00 1.00 .05
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EL-9650-(05)En (135-144) 8/1/00, 1:58 AM143