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Template:Cosh/doc
From OeisWiki
The {{cosh}} hyperbolic function template returns the hyperbolic cosine of , where is a real number.
Contents
Usage
- {{cosh|a real number}}
Valid input
- A real number as argument.
Examples
Examples with valid input
Code Result {{cosh|-1}} 1.5430806348152 {{cosh|-0.5}} 1.1276259652064 {{cosh|0}} 1 {{cosh|0.5}} 1.1276259652064 {{cosh|1}} 1.5430806348152
Examples with invalid input (returns an error message)
Code Result {{cosh|i}} Cosh error: Argument must be a real number
Code
{{ifnum| {{{1|not a number}}} | {{#expr: ( exp (+{{{1}}}) + exp (-{{{1}}}) ) / 2 }} | {{error| Cosh error: Argument must be a real number }} }}
See also