pextend-conv ( p q -- p' q' )
Polynomials
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Vocabulary
math.polynomials

Inputs
pa polynomial
qa polynomial


Outputs
p'a polynomial
q'a polynomial


Word description
Convolution, extending to p_m + q_n - 1.

Examples
USING: kernel math.polynomials prettyprint ; { 1 0 1 } { 0 1 } pextend-conv [ . ] bi@
{ 1 0 1 0 } { 0 1 0 0 }


Definition
USING: kernel math math.polynomials.private sequences ;

IN: math.polynomials

: pextend-conv ( p q -- p' q' ) 2dup 2length + 1 - 2pad-tail ;