Drwctour Catalog; Ee Key - Texas Instruments TITANIUM TI-89 User Manual

DrwCtour
CATALOG
expression
DrwCtour
list
DrwCtour
Draws contours on the current 3D graph at the z
values specified by
graphing mode must already be set.
automatically sets the graph format style to
CONTOUR LEVELS
By default, the graph automatically contains the
number of equally spaced contours specified by
the
ncontour
draws contours in addition to the defaults.
To turn off the default contours, set
zero, either by using the Window screen or by
storing 0 to the
í
^
key
mantissa exponent
E
Enters a number in scientific notation. The
number is interpreted as
Hint: If you want to enter a power of 10 without
causing a decimal value result, use 10^
e
^()
¥ s
) ⇒ ⇒ ⇒ ⇒
e expression1
^(
Returns
Note: On the TI-89 Titanium, pressing ¥ s to
display e^( is different from pressing j
On the Voyage 200, pressing 2s to display
e^ is different from accessing the character e
from the QWERTY keyboard.
You can enter a complex number in
form. However, use this form in Radian angle
mode only; it causes a
Gradian angle mode.
) ⇒ ⇒ ⇒ ⇒
e list1 list
^(
Returns
.
list1
e squareMatrix1
^(
Returns the matrix exponential of
not
This is
power of each element. For information about the
calculation method, refer to
squareMatrix1
always contains floating-point numbers.
814
or
expression list
.
Window variable.
DrwCtour
system variable.
ncontour
mantissa
key
expression
e
raised to the
expression1
Domain error
e
raised to the power of each element in
) ⇒ ⇒ ⇒ ⇒
squareMatrix
the same as calculating
cos()
must be diagonalizable. The result
In 3D graphing mode:
(1/5)x^2+(1/5)y^2ì10!z1(x,y) ¸
. The 3D
L10!xmin:10!xmax ¸
DrwCtour
L10!ymin:10!ymax ¸
L10!zmin:10!zmax ¸
0!ncontour ¸
DrwCtour {L9,L4.5,L3,0,4.5,9} ¸
to
ncontour
Use the cursor to change the viewing angle.
Press 0 (zero) to return to the original view.
To toggle between different graph format styles,
press ¥ Í
Press X, Y, or Z to look down the
corresponding axis.
2.3í 4 ¸
2.3í 9+4.1í 15 ¸
exponent
× 10 .
3ù 10^4 ¸
integer .
e^(1) ¸
power. e^(1.) ¸
e^(3)^2 ¸
[E ] .
i q
e
polar
r
in Degree or
e^({1,1.,0,.5}) ¸
^([1,5,3;4,2,1;6,ë2,1]) ¸
e
.
squareMatrix1
e
raised to the
.
Appendix A: Functions and Instructions
2.718...
{e 2.718... 1 1.648...}
782.209 559.617 456.509


680.546 488.795 396.521

524.929 371.222 307.879
Done
10
10
10
0
23000.
4.1í 15
30000
e
e 9


