Texas TI-86 用户手册
Chapter 20: A to Z Function and Instruction Reference
337
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 337 of 118
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 337 of 118
poly
†
-
v
poly
coefficientList
Returns a list containing the real and complex roots of a
polynomial whose coefficients are given in
coefficientList
polynomial whose coefficients are given in
coefficientList
.
a
n
x
n
+ ... + a
2
x
2
+ a
1
x
1
+ a
0
x
0
= 0
Find the roots of 2x
3
N8x
2
N14x+20=0:
poly {2,
L
8,
L
14,20} b
{5
L
2 1}
Power:
^
@
number
^
power
or
(
expression
)^(
expression
)
Returns number raised to power. The arguments can be
real or complex.
real or complex.
4^2 b
16
2^
L
5 b
.03125
listA
^
listB
Returns a list in which each element of listA is raised to
the power specified by the corresponding element in
listB
the power specified by the corresponding element in
listB
.
{2,3,4}^{3,4,5} b
{8 81 1024}
squareMatrix
^
power
Returns a matrix equivalent to squareMatrix multiplied
by itself power number of times, where 0
by itself power number of times, where 0
power 255.
This is not the same as simply raising each element to
power
power
.
[[2,3][4,5]]^3 b
[[116 153]
[204 269]]
Power of 10:
10
^
-
z
10
^
power
or
10
^(
expression
)
Returns 10 raised to power or expression, which can be
real or complex.
real or complex.
10
^1.5 b
31.6227766017
10
^
L
2 b
.01