Re: count zeros in a number -> Clip[x] = ?
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- Subject: [mg121909] Re: count zeros in a number -> Clip[x] = ?
- From: "Dr. Wolfgang Hintze" <weh at snafu.de>
- Date: Thu, 6 Oct 2011 04:23:42 -0400 (EDT)
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What about setting up a regular column "esoteric of the week" naming
functions that are rarely used ?
I would start with
which I (shame on me) didn't know until this evening. Did you?
"Richard Fateman" <fateman at cs.berkeley.edu> schrieb im Newsbeitrag
news:j6h3kn$74t$1 at smc.vnet.net...
> On 10/3/2011 10:34 PM, Stefan Salanski wrote:
>> All these solutions are very interesting, and they all work, but I
>> believe the simplest solution is actually a built in function,
>> specifically: IntegerExponent.
>> IntegerExponent[n,b] returns the highest power of b which divides n,
>> which for b=10, is the number of trailing zeroes of n.
> why yes, all you need is one esoteric function.
> Proof that it is esoteric? All the previous posters (me too) were
> unaware of it. And presumably all the people who read the question
> did not post anything ...
> The first example in the documentation illustrates exactly this
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