log2

base 2 logarithm

Calling Sequence

y=log2(x)

Arguments

:x vector or matrix :

Description

log2(x) is the “element-wise” base 2 logarithm y(i,j)=log2(x(i,j)).

Examples

2.^log2([1,%i,-1,-%i])

See Also

• log natural logarithm
• hat (^) exponentiation
• ieee set floating point exception mode
• log10 base 10 logarithm
• frexp dissect floating-point numbers into base 2 exponent and mantissa