Function log2 #

Calculate the 2-base of a value. This is the same as calculating log(x, 2).

For matrices, the function is evaluated element wise.

Syntax #

math.log2(x)

Parameters #

Parameter Type Description
x number | BigNumber | Complex | Array | Matrix Value for which to calculate the logarithm.

Returns #

Type Description
number | BigNumber | Complex | Array | Matrix Returns the 2-base logarithm of x

Examples #

math.log2(0.03125)           // returns -5
math.log2(16)                // returns 4
math.log2(16) / math.log2(2) // returns 4
math.pow(2, 4)               // returns 16

See also #

exp, log, log1p, log10

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