Appendix A: Functions and Instructions
875
list1
ù
list2
⇒
list
Returns a list containing the products of the
corresponding elements in
list1
and
list2
.
Dimensions of the lists must be equal.
{1.0,2,3}
ù
{4,5,6}
¸
{4. 10 18}
{2
à
a,3
à
2}
ù
{a
ñ
,b
à
3}
¸
{2
ø
a
b
2
}
matrix1
ù
matrix2
⇒
matrix
Returns the matrix product of
matrix1
and
matrix2
.
The number of rows in
matrix1
must equal the
number of columns in
matrix2
.
[1,2,3;4,5,6]
ù
[a,d;b,e;c,f]
¸
expression
ù
list1
⇒
list
list1
ù
expression
⇒
list
Returns a list containing the products of
expression
and each element in
list1
.
p
ù
{4,5,6}
¸
{4
ø
p
5
ø
p
6
ø
p
}
expression
ù
matrix1
⇒
matrix
matrix1
ù
expression
⇒
matrix
Returns a matrix containing the products of
expression
and each element in
matrix1
.
Note:
Use
.
ù
(dot multiply) to multiply an expression
by each element.
[1,2;3,4]
ù
.01
¸
[
.01 .02
.03 .04
]
l
ù
identity(3)
¸
l
0 0
0
l
0
0 0
l
à
(divide)
e
key
expression1
à
expression2
⇒
expression
Returns the quotient of
expression1
divided by
expression2
.
2/3.45
¸
.57971
x^3/x
¸
x
2
list1
à
list2
⇒
list
Returns a list containing the quotients of
list1
divided
by
list2.
Dimensions of the lists must be equal.
{1.0,2,3}/{4,5,6}
¸
{.25 2/5 1/2}
expression
à
list1
⇒
list
list1
à
expression
⇒
list
Returns a list containing the quotients of
expression
divided by
list1
or
list1
divided by
expression.
a/{3,a,
‡
(a)}
¸
a
3
1
‡
a
{a,b,c}/(a
ù
b
ù
c)
¸
{
1
b
ø
c
1
a
ø
c
1
a
ø
b
}
matrix1
à
expression
⇒
matrix
Returns a matrix containing the quotients of
matrix1
à
expression.
Note:
Use
.
/
(dot divide) to divide an expression by
each element.
[a,b,c]/(a
ù
b
ù
c)
¸
[
1
b
ø
c
1
a
ø
c
1
a
ø
b
]
Summary of Contents for Titanium TI-89
Page 9: ...Getting Started 6 TI 89 Titanium keys Ë Ì Í Ê ...
Page 34: ...Getting Started 31 2 or D 2 B u s i n e s s D B D B Press Result ...
Page 43: ...Getting Started 40 3 0 D B D D B D Press Result ...
Page 44: ...Getting Started 41 D 2 0 0 2 D B Scroll down to October and press Press Result ...
Page 58: ...Getting Started 55 Example Set split screen mode to TOP BOTTOM Press Result 3 B D ...
Page 70: ...Getting Started 67 ...
Page 175: ...Operating the Calculator 172 From the Keyboard ...
Page 456: ...Tables 453 ...
Page 527: ...Data Matrix Editor 524 ...
