CH

Contents


ch returns the hyperbolic cosine of its parameter.

 

Syntax

   ch(num_exp)

 

Parameters

Element

Description

Restrictions

num_exp

Numeric Expression

-184 <= exp_num <= 184

 

Examples

   Y = ch(3+X*X)

 

Description and Comments

ch(X) returns (exp(X)+exp(-X))/2.

The result is the Double type.

 

Associated Errors

Error

Description

ERMODE (10)

The parameter is not numeric.

ERHUGE (13)

| exp_num | > 184,89995462.

 

Associated Keywords

ASH - ACH - ATH - SH - TH


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