Texas Instruments TI-89 Titanium User Manual page 771

BldData
CATALOG
[ dataVar ]
BldData
Creates data variable
information used to plot the current graph.
is valid in all graphing modes.
If
dataVar
variable
sysData
Note: The first time you start the Data/Matrix Editor
after using
on the argument you used with
the current data variable.
The incremental values used for any independent
variables (
calculated according to the Window variable values.
For information about the increments used to
evaluate a graph, refer to the module that describes
that graphing mode.
3D graphing mode has two independent variables.
In the sample data to the right, notice that
constant as
values.
Then, increments to its next value and
x
increments through its range. This pattern continues
until has incremented through its range.
x
ceiling()
MATH/Number menu
expression1
ceiling(
Returns the nearest integer that is ‚ the argument.
The argument can be a real or a complex number.
Note: See also
) ⇒
list1
ceiling(
) ⇒
matrix1
ceiling(
Returns a list or matrix of the ceiling of each
element.
cFactor()
MATH/Algebra/Complex menu
expression1
cFactor(
]) ⇒
list1 ,var
cFactor( [
matrix1 ,var
cFactor( [
cFactor( expression1
with respect to all of its variables over a common
denominator.
expression1
linear rational factors even if this introduces new
non-real numbers. This alternative is appropriate if
you want factorization with respect to more than one
variable.
768
based on the
dataVar
is omitted, the data is stored in the system
.
, or
dataVar
BldData sysData
BldData
in the example to the right) are
x
increments through its range of
y
) ⇒
integer
.
floor()
list
matrix
]) ⇒
var expression
[,
list
]) ⇒
matrix
returns
) expression1
is factored as much as possible toward
In function graphing mode and Radian angle
mode:
8ùsin(x)!y1(x) ¸
BldData
2ùsin(x)!y2(x) ¸
ZoomStd ¸
(depending
) is set as
@
"
¥ "
H
BldData ¸
O 6 ¸
Note: The following sample data is from a 3D
remains graph.
x
again
y
ceiling(0.456) ¸
ceiling({ë3.1,1,2.5}) ¸
ceiling([0,ë3.2
cFactor(a^3ùx^2+aùx^2+a^3+a)
¸
aø(a + ë
factored
cFactor(x^2+4/9) ¸
cFactor(x^2+3) ¸
cFactor(x^2+a) ¸
Appendix A: Functions and Instructions
Done
Done
Done
{ë3. 1 3.}
i ;1.3,4]) ¸
ë3.øi
0
[
2. 4
i )ø(a + i )ø(x + ë i )ø(x +
(3øx + ë2øi)ø(3øx + 2ø i)
9
xñ + 3
xñ + a
1.
]
i )