powers ( n x -- seq )
Polynomials

Prev:	p^ ( p n -- p^n )
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Vocabulary
math.polynomials

Inputs

n	an integer
x	a number

Outputs

seq	a sequence

Word description
Output a sequence having n elements in the format: { 1 x x^2 x^3 ... }.

Examples

USING: math.polynomials prettyprint ; 4 2 powers .
{ 1 2 4 8 }

Definition

USING: kernel math sequences ;

IN: math.polynomials

: powers ( n x -- seq ) <repetition> 1 [ * ] accumulate nip ;