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catanh
Chung Leong edited this page Jan 10, 2022
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catanh - Hyperbolic arc tangent of complex number
float[2] catanh ( float[2] $z )
catanh() returns the hyperbolic tangent of z.
z - The complex number to process. It can be one two-element array or an array of two-element arrays. z[0] should contain the real part and z[1] should contain the imaginary part.
The hyperbolic arc tangent of z. The size of the return value will match that of z.
2.3 and above.