Re: Converting Binary form to a desired array
- To: mathgroup at smc.vnet.net
- Subject: [mg76006] Re: Converting Binary form to a desired array
- From: Szabolcs <szhorvat at gmail.com>
- Date: Mon, 14 May 2007 05:51:36 -0400 (EDT)
- Organization: University of Bergen
- References: <f2959d$n0n$1@smc.vnet.net>
athlonspell wrote:
> Hello,
>
> I have this:
>
>> BaseForm[212,2] = 10100
>
> Now, I am trying to achieve this output from above:
>
>> {2^4, 0, 2^2, 0, 0}
>
> How do I go about do this?
>
> Thank you,
> Sharon
>
Reverse@MapIndexed[#1 Superscript[2, First@#2] &,
Reverse@IntegerDigits[212, 2]]
You may want to replace Superscript by Power if you need usable numbers
in the list (but then 8 will be displayed instead of 2^3).