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### Re: Re: (Golf) Multiply polynomials

by Masem (Monsignor)
 on May 07, 2001 at 22:00 UTC ( #78585=note: print w/replies, xml ) Need Help??

in reply to Re: (Golf) Multiply polynomials

New approach, but still 102. I don't I can break it any more...
```sub p {
my(\$a,\$b)=(shift,shift);
my@c=map{my(\$d,\$e);for\$e(0..\$_){\$d+=\$\$a[\$e]*\$\$b[\$_-\$e]}\$d}0..\$#\$a+\$#
+\$b;
@_?p(\@c,@_):\@c
}

Dr. Michael K. Neylon - mneylon-pm@masemware.com || "You've left the lens cap of your mind on again, Pinky" - The Brain

Replies are listed 'Best First'.
(tye)Re: (Golf) Multiply polynomials
by tye (Sage) on May 07, 2001 at 22:09 UTC

Simple improvement:

```my(\$a,\$b)=(shift,shift);
my\$a=shift;my\$b=shift; # a bit shorter
my\$a=pop;my\$b=pop; # even shorter since multiplaction is commutative

- tye (but my friends call me "Tye")

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