EXP¶
Returns the natural exponent value of a numeric expression (ex).
See also LOG.
Syntax¶
EXP( expr )
Arguments¶
Parameter |
Description |
---|---|
|
Positive numeric expression |
Returns¶
When using the EXP
floating point number scalar function, real
arguments are automatically cast to double
precision.
Notes¶
If the input value is NULL, the result is NULL.
Examples¶
Natural exponent values¶
numbers=> SELECT EXP(x) FROM (VALUES (1.0), (2.0), (4.0)) as t(x);
exp
-------
2.7183
7.3891
54.5982