Texas Instruments TI-89 Titanium Short User Manual page 258

squareMatrix1
tanh(
Returns the matrix hyperbolic tangent of
squareMatrix1
the hyperbolic tangent of each element. For
information about the calculation method, refer
to
cos()
squareMatrix1
always contains floating-point numbers.
tanhê ()
MATH/Hyperbolic menu
expression1
tanhê (
) ⇒
list1
tanhê (
tanhê (
tangent of the argument as an expression.
tanhê (
hyperbolic tangents of each element of
squareMatrix1
tanhê(
Returns the matrix inverse hyperbolic tangent of
squareMatrix1
the inverse hyperbolic tangent of each element.
For information about the calculation method,
refer to
squareMatrix1
always contains floating-point numbers.
taylor()
MATH/Calculus menu
expression1
taylor(
Returns the requested Taylor polynomial. The
polynomial includes non-zero terms of integer
degrees from zero through
).
point
truncated power series of this order, or if it would
require negative or fractional exponents. Use
substitution and/or temporary multiplication by a
power of
( minus
var
power series.
defaults to zero and is the expansion point.
point
252
) ⇒
squareMatrix
not
. This is the same as calculating
.
must be diagonalizable. The result
) ⇒
expression
list
returns the inverse hyperbolic
expression1
)
returns a list of the inverse
list1
)
) ⇒
squareMatrix
. This is not the same as calculating
.
cos()
must be diagonalizable. The result
]) ⇒
var order point
, , [,
order
returns itself if there is no
taylor()
) to determine more general
point
In Radian angle mode:
tanh([1,5,3;4,2,1;6,ë 2,1])
¸
In rectangular complex format mode:
tanhê (0) ¸
tanhê ({1,2.1,3}) ¸
ˆ
{
list1 .
In Radian angle mode and Rectangular
complex format mode:
tanhê([1,5,3;4,2,1;6,ë 2,1])
¸



expression
taylor(
taylor(
in ( minus
var
taylor(1/(xù (xì 1)),x,3) ¸
expand(taylor(x/(xù(xì1)),
x,4)/x,x) ¸
Appendix A: Functions and Instructions

ë.097... .933...

.488... .538...

1.282... ë 1.034... .428...
... ì 1.570 ...ø
.518
ë.099...+.164...øi .267...ì 1.490...øi
ë.087...ì.725...øi .479...ì.947...øi
.511...ì 2.083...øi ë.878...+1.790...øi ...
e
^(‡(x)),x,2) ¸
e
^(t),t,4)|t=‡(x) ¸

.425...

ë.129...

0
ln(2) p
i ø i
ì
}
2 2

...

...
