(stirling) ( n k -- x )

Vocabulary

math.extras.private

Inputs

n	an object
k	an object

Outputs

x

an object

Definition

USING: kernel math math.extras ;

IN: math.extras.private

: (stirling) ( n k -- x )
    [ [ 1 - ] bi@ stirling ] [ [ 1 - ] dip stirling ]
    [ nip * + ] 2tri ;