Cycle And Cyclepic Catalog; Cylindmath/Matrix/Vector Ops Menu; Czeros()Math/Algebra/Complex Menu - Texas Instruments TITANIUM TI-89 User Manual

Cycle
CATALOG
Cycle
Transfers program control immediately to the
next iteration of the current loop (
).
Loop
is not allowed outside the three looping
Cycle
structures (
CyclePic
CATALOG
picNameString
CyclePic
[ direction ]]
Displays all the PIC variables specified and at the
specified interval. The user has optional control
over the time between pictures, the number of
times to cycle through the pictures, and the
direction to go, circular or forward and
backwards.
direction
backwards. Default = 1.
4 4 4 4 Cylind
MATH/Matrix/Vector ops menu
vector 4 4 4 4 Cylind
Displays the row or column vector in cylindrical
form [r q, z].
must have exactly three elements. It can be
vector
either a row or a column.
cZeros()
MATH/Algebra/Complex menu
expression
cZeros(
Returns a list of candidate real and non-real
values of
does this by computing
exp8 8 8 8 list(cSolve(
Otherwise,
Note: See also
Note: If
functions such as
or
imag()
)
( ¥ 
treated as a real value. If you use
variable is treated as complex.
You should also use
in
expression
Otherwise, you may receive unexpected results.
expression1
cZeros({
varOrGuess1
{
Returns candidate positions where the
expressions are zero simultaneously. Each
varOrGuess
seek.
Appendix A: Functions and Instructions
, , or ).
For While Loop
n [ , [ wait ] , [ cycles ] ,
,
is 1 for circular or ë 1 for forward and
) ⇒ ⇒ ⇒ ⇒
var list
,
that make =0.
var expression
=0,
expression var
is similar to
cZeros()
,
cSolve() solve()
is non-polynomial with
expression
, ,
abs() angle()
, you should place an underscore
at the end of . By default, a variable is
var
_ for any other variables
var
that might have unreal values.
expression2 ...
, [, ] },
}) ⇒ ⇒ ⇒ ⇒
varOrGuess2 [ ... ]
, ,
specifies an unknown whose value you
Program listing:
:¦ Sum the integers from 1 to
, , or
For While
:0! temp
:For i,1,100,1
:If i=50
:Cycle
:temp+i! temp
:EndFor
:Disp temp
Contents of
1. Save three pics named
2. Enter:
3. The three pictures (3) will be displayed
automatically—one-half second (.5) between
pictures, for four cycles (4), and forward and
backwards (ë1).
[2,2,3] 4Cylind ¸
Display Digits mode in
cZeros(x^5+4x^4+5x^3ì 6xì 3,x) ¸
cZeros()
, .
var
) )
.
zeros()
, and .
zeros()
z is treated as real:
, ,
conj() real()
cZeros(conj(z)ì1ì
var _ , the
z_ is treated as complex:
cZeros(conj(z_)ì1ì
matrix
100 skipping 50.
after execution:5000
temp
,
pic1 pic2
" ",3,.5,4,ë1
CyclePic pic
[
2ø ‡2 
:
Fix 3
{ë 2.125 ë.612 .965
ë 1.114 ì 1.073ø
ë 1.114 + 1.073ø
,z) ¸
i
,z_) ¸
i
, and .
pic3
p
]
3
4
i
}
i
{1+ }
i
{1ì }
i
803