Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2008

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Find count of binary number pattern within concatenated

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91141] Re: [mg91093] Find count of binary number pattern within concatenated
  • From: DrMajorBob <drmajorbob at att.net>
  • Date: Thu, 7 Aug 2008 04:40:24 -0400 (EDT)
  • References: <8011894.1218027722879.JavaMail.root@m08>
  • Reply-to: drmajorbob at longhorns.com

n = 13;
Count[Partition[Flatten@IntegerDigits[Range[n], 2], 4], {1, 1, 0, 1}]

2

or

Length@Position[
   Partition[Flatten@IntegerDigits[Range[n], 2], 4], {1, 1, 0, 1}]

2

Bobby

On Wed, 06 Aug 2008 04:03:51 -0500, Diana <diana.mecum at gmail.com> wrote:

> Math folks,
>
> Can someone tell me how to find the count of the occurrences of "1101"
> within "11011100101110111100010011010101111001101" generated with the
> FromDigits statements below? I will be increasing "n".
>
> n=13
>
> FromDigits[Flatten[IntegerDigits[Range[n],2]]]
>
> 11011100101110111100010011010101111001101.
>
> FromDigits[IntegerDigits[n, 2]]
>
> 1101
>
> Diana
>
>
>



-- 
DrMajorBob at longhorns.com


  • Prev by Date: NDSolve::mconly in algebraic differential equations
  • Next by Date: Re: Find count of binary number pattern within concatenated number
  • Previous by thread: NDSolve::mconly in algebraic differential equations
  • Next by thread: Re: Find count of binary number pattern within