JavaScript asinh

Returns the inverse hyperbolic sine of the number, i.e. the value whose hyperbolic sine is number

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function asinh (arg) {
    // Returns the inverse hyperbolic sine of the number, i.e. the value whose hyperbolic sine is number  
    // 
    // version: 909.322
    // discuss at: http://phpjs.org/functions/asinh    // +   original by: Onno Marsman
    // *     example 1: asinh(8723321.4);
    // *     returns 1: 16.67465779841863
    return Math.log(arg + Math.sqrt(arg*arg+1));
}

Examples

Running

1

asinh(8723321.4);

Should return

1

16.67465779841863

Dependencies

No dependencies, you can use this function standalone.

Open syntax issues

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Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.

Authors

Thanks to the following developers, you get to have asinh goodness in JavaScript.

• Onno Marsman ( original )

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