log2

log2(X) returns logarithm in base 2 of each element of X.

Examples

> log2(10)/log2(2)

	[ans:3.321928095]

> log2(10)

	[ans:3.321928095]

> x = 0:0.2:10

[x:1x51 double]

> plot(x, log2(x))

[ans:1x1 struct]

Resources

See also

log | log10 | log1p