Chapter 10: Matrices
153
matrix
L
1
Powers
To raise a matrix to a power,
matrix
must be square. You can use
2
(
¡
),
3
(
MATH
menu), or
^
power
(
›
) for integer
power
between 0 and 255.
matrix
2
matrix
3
matrix
^
power
Relational Operations
To compare two matrices using the relational operations
=
and
ƒ
(
TEST
menu), they must have the
same dimensions.
=
and
ƒ
compare
matrixA
and
matrixB
on an element-by-element basis. The other
relational operations are not valid with matrices.
matrixA
=
matrixB
returns 1 if every comparison is true; it returns 0 if any comparison is false.
matrixA
ƒ
matrixB
returns
1
if at least one comparison is false; it returns
0
if no comparison is false.
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