Powers and logarithms - Factor Documentation (original) (raw)

Powers and logarithms
Factor handbook » The language » Numbers » Mathematical functions

Squares:
sq ( x -- y )
sqrt ( x -- y )

Exponential and natural logarithm:

e^ ( x -- e^x )

cis ( arg -- z )
log ( x -- y )

Other logarithms:

log1+ ( x -- y )

log10 ( x -- y )
logn ( x n -- y )

Raising a number to a power:

^ ( x y -- x^y )

e^ ( x -- e^x )
10^ ( x -- 10^x )

Logistics functions:

sigmoid ( x -- y )

Finding the root of a number:

nth-root ( n x -- y )

Converting between rectangular and polar form:

abs ( x -- y )

absq ( x -- y )
arg ( z -- arg )
>polar ( z -- abs arg )
polar> ( abs arg -- z )