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MathGroup Archive 2009

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Re: Deleting entire row and/or column

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98197] Re: Deleting entire row and/or column
  • From: Ray Koopman <koopman at sfu.ca>
  • Date: Thu, 2 Apr 2009 04:47:24 -0500 (EST)
  • References: <gr0ghk$950$1@smc.vnet.net>

newmatrix = Nest[Transpose@Select[#,#.#>0&]&,oldmatrix,2]

On Apr 1, 12:50 pm, KFUPM <hussain.alqaht... at gmail.com> wrote:
> Dear all
>
> I have large matrices having entire rows and/or columns of zeros and I
> want to delete those zero rows and columns. My question, what is the
> best (most compact) command to use in Mathematica. Please note that
> the value of zero is the real zero i.e 0.0000 not just 0.
>
> Regards,


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