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subMat()
CATALOG
matrix1
subMat(
endCol
[,
Returns the specified submatrix of
Defaults:
row,
endCol
Sum (Sigma)
See G(), page 908.
sum()
MATH/List menu
list
, start
sum(
[
Returns the sum of the elements in
and
Start
elements.
matrix1
sum(
[
Returns a row vector containing the sums of the
elements in the columns in
and
Start
rows.
switch()
CATALOG
integer1
switch([
Returns the number of the active window. Also
can set the active window.
Note:
or bottom.
If
integer1
If
integer1
previously active window number.
If
integer1
previously active window number.
If
integer1
returns the previously active window number.
integer1
TI-89 Titanium/Voyage™ 200 is not displaying a
split screen.
884
startRow
startCol
[,
] [,
⇒ ⇒ ⇒ ⇒
matrix
])
=1,
=1,
startRow
startCol
=last column.
]]) ⇒ ⇒ ⇒ ⇒
, end
expression
[
are optional. They specify a range of
end
]]) ⇒ ⇒ ⇒ ⇒
, start
, end
matrix
[
matrix1
are optional. They specify a range of
end
]) ⇒ ⇒ ⇒ ⇒
integer
is left or top;
Window 1
= 0, returns the active window number.
= 1, activates window 1 and returns the
= 2, activates window 2 and returns the
is omitted, switches windows and
is ignored if the
endRow
] [,
]
.
matrix1
=last
endRow
.
list
.
is right
Window 2
Appendix A: Functions and Instructions
[1,2,3;4,5,6;7,8,9] ! m1 ¸
subMat(m1,2,1,3,2) ¸
subMat(m1,2,2) ¸
sum({1,2,3,4,5}) ¸
sum({a,2a,3a}) ¸
sum(seq(n,n,1,10)) ¸
sum({1,3,5,7,9},3) ¸
sum([1,2,3;4,5,6]) ¸
sum([1,2,3;4,5,6;7,8,9]) ¸
sum([1,2,3;4,5,6;7,8,9],2,3)
¸
switch()
¸
1 2 3
4 5 6
7 8 9
4 5
[
]
7 8
5 6
[
]
8 9
15
6 ø a
55
21
[5 7 9]
[12 15 18]
[11,13,15]
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