Texas Instruments TI-89 Manual Book page 544

-
expression matrix1
-
matrix1 expression
expression ì matrix1
expression
.
matrix1
matrix1
expression
subtracted from
square.
Note: Use .. (dot minus) to subtract an
expression from each element.
ù
p
(multiply) key
expression1 ù expression2
Returns the product of
expression2
list1ù list2
Returns a list containing the products of the
corresponding elements in
Dimensions of the lists must be equal.
matrix1 ù matrix2
Returns the matrix product of
.
matrix2
The number of rows in
the number of columns in
expression ù list1
list1 ù expression
Returns a list containing the products of
expression
expression ù matrix1
matrix1 ù expression
Returns a matrix containing the products of
expression
Note: Use .ù (dot multiply) to multiply an
expression by each element.
à
e
(divide)
key
expression1 à expression2
Returns the quotient of
expression2
list1 à list2
Returns a list containing the quotients of
divided by
Dimensions of the lists must be equal.
matrix
matrix
returns a matrix of
times the identity matrix minus
must be square.
matrix1
ì
returns a matrix of
expression
times the identity matrix
.
matrix1 matrix1
expression
expression1
.
list
and
list1
matrix
matrix1
must equal
matrix1
matrix2
list
list
and each element in
list1
matrix
matrix
and each element in
matrix1
expression
expression1
.
list
list2.
20ì [1,2;3,4] ¸
must be
2ù 3.45 ¸
and
xù yù x ¸
{1.0,2,3}ù {4,5,6} ¸{4. 10 18}
{2àa,3à2}ù {añ,bà3} ¸{2ø a
.
list2
[1,2,3;4,5,6]ù [a,d;b,e;c,f]
¸
and
.
pù {4,5,6} ¸
.
[1,2;3,4]ù.01 ¸
lù identity(3) ¸
.
2/3.45 ¸
divided by
x^3/x ¸
{1.0,2,3}/{4,5,6} ¸
list1
Appendix A: Functions and Instructions
ë 2
19
[ ]
ë 3 16
6.9
x ø y
2
b
2 }
{4ø p 5ø p 6ø p}
.01 .02
[ ]
.03 .04
l 0 0
0 l 0
0 0 l
.57971
x
2
{.25 2/5 1/2}
527