From: Dana Merrick <dmerrick@...>
Date: 2008-06-12T05:13:02+09:00
Subject: Re: array collect - nil can't be coerced into Float (TypeErr

--------------enig4007035DB9F4B1FFDED9AF9A
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: quoted-printable

Now, to make it a little more Ruby-y:

class MyArray
   def count()
     a =3D [1,2,3]
     b =3D [0.5,0.25]
     result =3D Array.new
     a.each do |i|
       result << b.collect {|x| x * i}
     end
     return result
   end
end
number =3D MyArray.new
puts number.count

-Dana

Jason Lillywhite wrote:
> I will settle with this:
>=20
> class MyArray
>   def count
>   a =3D [1,2,3]
>   b =3D [0.5,0.25]
>   num =3D a.length
>   i =3D 0
>   c =3D []
>     while i < num do
>       c << b.collect {|x| x * a[i]}
>       i +=3D 1
>     end
>   puts c
>   end
> end
>=20
> number =3D MyArray.new
> number.count
>=20
>=20
> that way it does matter if I change the length of a.
>=20
> thanks again.
>=20

--=20
Dana Merrick - System Administrator
Integrated Computer Solutions, Inc.
54B Middlesex Tpke, Bedford, MA 01730
617.621.0060 x112 - http://www.ics.com


--------------enig4007035DB9F4B1FFDED9AF9A
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (Darwin)

iEYEARECAAYFAkhQMd8ACgkQ7b+8UB5G/wMBdwCgjkH/mYuWnKlLuDUVKOijrA4I
54gAn3uC0T4oy4REOOufaRaunc4RiKrA
=/mUm
-----END PGP SIGNATURE-----

--------------enig4007035DB9F4B1FFDED9AF9A--