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Appendix A: Functions and Instructions 885
switch() CATALOG
switch([
integer1
]) ⇒
⇒⇒
⇒
integer
Returns the number of the active window. Also
can set the active window.
Note:
Window 1 is left or top; Window 2 is right
or bottom.
If
integer1
= 0, returns the active window number.
If
integer1
= 1, activates window 1 and returns the
previously active window number.
If
integer1
= 2, activates window 2 and returns the
previously active window number.
If
integer1
is omitted, switches windows and
returns the previously active window number.
integer1
is ignored if the
TI-89 Titanium/Voyage™ 200 is not displaying a
split screen.
switch()
¸
T
(transpose)
MATH/Matrix menu
matrix1
î
⇒
⇒⇒
⇒
matrix
Returns the complex conjugate transpose of
matrix1
.
[1,2,3;4,5,6;7,8,9]! mat1 ¸
1 2 3
4 5 6
7 8 9
mat1
î
¸
1 4 7
2 5 8
3 6 9
[a,b;c,d]
! mat2 ¸ [
a b
c d
]
mat2
î
¸ [
a c
b d
]
[1+
i
,2+
i
;3+
i
,4+
i
]! mat3 ¸
[
1+
i
2+
i
3+
i
4+
i
]
mat3
î
¸ [
1ì
i
3ì
i
2ì
i
4ì
i
]