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math/
atanh.pro
top source atanh
Math:
result = atanh(x)
Numerically calculate the inverse of the TANH function for real values.
Return value
The arctanh of the argument. Note that because of the numerical inversion method, the results will be inaccurate for input values very near 1.
Parameters
- x in
Argument to atanh. May be an array.
Examples
IDL> PRINT, ATANH(TANH([0,1,2]))
0.00000 1.00000 2.00000
Author information
- History:
Written by: Jeremy Bailin 27 Nov 2008 Released in JBIU
File attributes
| Modification date: | Wed Apr 15 16:08:06 2009 |
| Lines: | 39 |