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Re: Deleting entire row and/or column

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98253] Re: Deleting entire row and/or column
  • From: dh <dh at metrohm.com>
  • Date: Fri, 3 Apr 2009 04:40:05 -0500 (EST)
  • References: <gr0ghk$950$1@smc.vnet.net>


Hi,

to delete rows with elements: 0 or 0. you may use:



DeleteCases[d, {a : (0. | 0) ..}]



To delet columns you use the above with transposeing the matrix.



Daniel



KFUPM 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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