Function log #
Calculate the logarithm of a value.
To avoid confusion with the matrix logarithm, this function does not apply to matrices.
Syntax #
math.log(x)
math.log(x, base)
Parameters #
| Parameter | Type | Description |
|---|---|---|
x |
number | BigNumber | Fraction | Complex | Value for which to calculate the logarithm. |
base |
number | BigNumber | Fraction | Complex | Optional base for the logarithm. If not provided, the natural logarithm of x is calculated. Default value: e. |
Returns #
| Type | Description |
|---|---|
| number | BigNumber | Fraction | Complex | Returns the logarithm of x |
Throws #
Type | Description —- | ———–
Examples #
math.log(3.5) // returns 1.252762968495368
math.exp(math.log(2.4)) // returns 2.4
math.pow(10, 4) // returns 10000
math.log(10000, 10) // returns 4
math.log(10000) / math.log(10) // returns 4
math.log(1024, 2) // returns 10
math.pow(2, 10) // returns 1024
