141
MATRIX FUNCTIONS
[06 rnd_mat(] Used to make a matrix by generating random numbers.
<Example>
To make a random matrix containing 2 rows by 3
columns (TAB setting: 2, FSE: set to FIX):
Entry: rnd_mat (2, 3)
Answer:
.23 .38 .79
.19 .64 .14
* Since this function generates random numbers, the actual
answer you obtain may not match the above display.
[07 row_swap(] Used to swap the data in two specified rows.
<Example>
To swap the 2nd and 3rd rows of mat E (FSE: set to
FloatPt):
Entry: row_swap (mat E, 2, 3)
Answer:
[08 row_plus(] Use to add specified row data to another specified row.
<Example>
To add the 2nd row to the 1st row of mat E:
Entry: row_plus (mat E, 2, 1 )
Answer:
[09 row_mult( ] Used to perform scalar multiplication of
elements in a specified row.
<Example>
To multiple elements in the 1st row of mat E by 3:
Entry: row_mult (3, mat E, 1 )
Answer:
EL-9650-(05)En (135-144) 8/1/00, 1:58 AM141
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