| [Overview][Constants][Types][Classes][Procedures and functions] | Reference for unit 'math' (#rtl) |
Return inverse hyperbolic tangent
Source position: math.pp line 291
function artanh( |
x: float |
):float; |
artanh returns the inverse hyperbolic tangent of its argument x, where x should lie in the interval [-1,1], borders included. The arctanh variant of this function is supplied for Delphi compatibility.
In case x is not in the interval [-1,1], an EInvalidArgument exception is raised.
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Return inverse hyperbolic cosine |
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Return inverse cosine |
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Return inverse sine |
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Return inverse hyperbolic tangent |
Program Example5; { Program to demonstrate the artanh function. } Uses math; begin Writeln(artanh(0)); Writeln(artanh(0.5)); end.
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