Texas Instruments TITANIUM TI-89 - Manual (Page 885)

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
mat1î ¸





 1 4 7
2 5 8
3 6 9
[a,b;c,d]! mat2 ¸
[
a b
c d
]
mat2î ¸ [
a c
b d
]
[1+ i ,2+ i ;3+ i ,4+ i ]! mat3 ¸
[
1+ i 2+ i
3+ i 4+ i
]
mat3о ¸ [
1м i 3ì i
2ì i 4ì i
]