User Manual

346
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 346 of 118
rnorm
MATRX MATH menu
rnorm
matrix
Returns the row norm of a real or complex
matrix
. For
each row,
rnorm
sums the absolute values (magnitudes
of complex elements) of all elements on that row. The
returned value is the largest of the sums.
[[
L
5,6,
L
7][3,3,9][9,
L
9,
L
7]]
¶
MAT
b
[[
L
5 6
L
7]
[3 3 9 ]
[9
L
9
L
7]]
rnorm MAT
b
25
rnorm
vector
Returns the largest absolute value (or magnitude) in a
real or complex
vector
.
rnorm [15,
L
18,7]
b
18
Root:
x
‡
MATH MISC menu
x
th
root
x
‡
number
or
x
th
root
x
‡
(
expression
)
Returns the
x
th
root
of
number
or
expression
. The
arguments can be real or complex.
5
x
‡
32
b
2
x
th
root
x
‡
list
Returns a list in which each element is the
x
th
root
of the
corresponding element in
list
.
5
x
‡
{32,243}
b
{2 3}
x
th
rootList
x
‡
list
Returns a list in which each element is the root
specified by the corresponding elements in
x
th
rootList
and
list
.
{5,2}
x
‡
{32,25)
b
{2 5}