CH |
ch returns the hyperbolic cosine of its parameter.
ch(num_exp)
|
Element |
Description |
Restrictions |
|
num_exp |
Numeric Expression |
-184 <= exp_num <= 184 |
Y = ch(3+X*X)
ch(X) returns (exp(X)+exp(-X))/2.
The result is the Double type.
|
Error |
Description |
|
ERMODE (10) |
The parameter is not numeric. |
|
ERHUGE (13) |
| exp_num | > 184,89995462. |
|
|