Texas Instruments TI-89 Titanium Short User Manual page 185

vector1
dotP( ,
Returns the "dot" product of two vectors.
Both must be row vectors, or both must be
column vectors.
DrawFunc
CATALOG
expression
DrawFunc
Draws
independent variable.
Note: Regraphing erases all drawn items.
DrawInv
CATALOG
expression
DrawInv
Draws the inverse of
values on the y axis and
is the independent variable.
x
Note: Regraphing erases all drawn items.
DrawParm
CATALOG
expression1
DrawParm
tmin
[, ] [,
Draws the parametric equations
expression2
Defaults for
settings for the Window variables
and
tstep
window settings. If the current graphing mode is
not parametric, these three arguments are
required.
Note: Regraphing erases all drawn items.
DrawPol
CATALOG
expression
DrawPol
Draws the polar graph of
the independent variable.
Defaults for q
settings for the Window variables q
and q
step
window settings. If the current graphing mode is
not polar, these three arguments are required.
Note: Regraphing erases all drawn items.
Appendix A: Functions and Instructions
) ⇒
vector2 expression
as a function, using
expression
expression
values on the x axis.
y
expression2
,
tmax tstep
] [, ]
, using as the independent variable.
t
tmin , tmax , and tstep
. Specifying values does not alter the
min max
[, q ] [, q ] [, q
expression
, q , and q
min max
. Specifying values does not alter the
dotP([a,b,c],[d,e,f]) ¸
dotP([1,2,3],[4,5,6]) ¸
In function graphing mode and
window:
as the
x
DrawFunc 1.25xù cos(x) ¸
In function graphing mode and
window:
by plotting
x
DrawInv 1.25xù cos(x) ¸
In function graphing mode and
window:
and DrawParm
expression1
tù cos(t),tù sin(t),0,10,.1 ¸
are the current
, ,
tmin tmax
In function graphing mode and
step
]
window:
, using q as
DrawPol 5ù cos(3ù q),0,3.5,.1
¸
are the current
step
, q
,
min max
aø d + bø e + cø f
32
ZoomStd
ZoomStd
ZoomStd
ZoomStd
179