From: "Wesley J. Landaker" <wjl@...>
Date: 2003-08-29T22:57:36+09:00
Subject: Re: multiply all array with array

Apparently, Martin DeMello recently wrote:
> ibotty <me@ibotty.net> wrote:
>> before i spent to many words describing something so simple:
>>
>> say, i have:
>> a = [1,2,3] and b = [4,5,6]
>> and i want to get another array, with c[ix] = a[ix] * b[ix].
>> (i want to get c = [4,10,18])
>>
>> is there a builtin function in array.rb (that i have missed).
>
> Not quite, but for parallel traversing made easier
>
> a.zip(b).map {|i, j| i*j}
>

Hey, this is just like what I just posted, except better! =)

(That's what I get for replying before reading the rest of the thread... ;)

Wes