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Template:Tanh

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The {{tanh}} hyperbolic function template returns the hyperbolic tangent of , where is a real number.

Usage

{{tanh|a real number}}

Valid input

A real number as argument.

Examples

Examples with valid input

Code Result
{{tanh|-1}} -0.76159415595576
{{tanh|-0.5}} -0.46211715726001
{{tanh|0}} 0
{{tanh|0.5}} 0.46211715726001
{{tanh|1}} 0.76159415595576

Examples with invalid input (returns an error message)

Code Result
{{tanh|i}} Tanh error: Argument must be a real number

Code

{{ifnum| {{{1|NAN}}}
| {{#expr: ( exp (2*({{{1}}})) - 1 ) / ( exp (2*({{{1}}})) + 1 ) }}
| {{error| Tanh error: Argument must be a real number }}
}}

See also