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MathGroup Archive 2013

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Re: How to remove the "0." from "0. + 1.41774i"

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131249] Re: How to remove the "0." from "0. + 1.41774i"
  • From: cj.girlie at gmail.com
  • Date: Fri, 21 Jun 2013 05:59:30 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
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  • References: <kpucst$9f7$1@smc.vnet.net>

On Thursday, June 20, 2013 4:01:33 AM UTC-4, Mike Bayville wrote:
> Can anyone suggest a built-in function for removing  the "0." from "0. + 1.41774i"?
> 
> 
> 
> Thanks!
> 
> 
> 
> Mike
> 
> 
> 
> INPUT
> 
> A={{-1.2, 1.5}, {-2.3, 1.2}};
> 
> Clear[eigenvalue];
> 
> {eigenvalue[1], eigenvalue[2]} = Chop[Eigenvalues[A]]
> 
> Chop[eigenvalue[1]]
> 
> Chop[eigenvalue[2]]
> 
> 
> 
> OUTPUT
> 
> {0. + 1.41774i, 0. - 1.41774i}
> 
> 0. + 1.41774i
> 
> 0. - 1.41774i

Try this

ToExpression[StringReplace[ToString[0. + 1.41774 i], "0." -> "" ]]

Effective but not elegant



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