acosh
Inverse Hyperbolic Trigonometric Functions
Description
Performs inverse hyperbolic trigonometric transformations on real
or complex numbers.
Usage
acosh(x)
asinh(x)
atanh(x)
Arguments
| x |
a numeric or a complex object.
Missing values (NAs) are allowed.
|
Details
Numeric arguments must be at least 1 for acosh
and must be less than 1 in absolute value for
atanh. Otherwise, NaN is returned.
Complex arguments are unrestricted.
These functions are part of the Math group
of generic functions.
Value
returns data transformed by the specified inverse hyperbolic trigonometric
function, with attributes preserved.
See Also
Examples
acosh(1.5)
asinh(0.5)
atanh(1.5)
atanh(1.5 + 0i)