log2

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 — sets or gets the floating point exception mode
• log10 — base 10 logarithm
• frexp — dissect floating-point numbers into base 2 exponent and mantissa