TANH Function

Returns the hyperbolic tangent.

Category: Trigonometric
Returned data type: DOUBLE
Syntax
Arguments
Details
Example
See Also

Syntax

TANH(expression)

Arguments

expression

specifies any valid SQL expression that evaluates to a numeric value.

Restriction expression cannot be an odd multiple of π/2
Data type DOUBLE
See <sql-expression>
FedSQL Expressions

Details

The TANH function returns the hyperbolic tangent of the argument, which is given by the following equation.
table with 1 row and 1 column , row1 column 1 , fraction e super eh r g u m e n t end super . minus . e super negative eh r g u m e n t end super , over e super eh r g u m e n t end super . plus . e super negative eh r g u m e n t end super end fraction , end table

Example

The following statements are examples of the TANH function:
Statements
Results 
x=tanh(0);
 
0
 
x=tanh(0.5);
 
0.46211715726
 
select tanh(-0.5);
 
-0.46212

See Also

Functions:
ATAN Function
ATAN2 Function
COSH Function
SINH Function
TAN Function
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