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Re: problem in expression

• To: mathgroup at smc.vnet.net
• Subject: [mg99930] Re: problem in expression
• From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
• Date: Tue, 19 May 2009 06:48:04 -0400 (EDT)
• References: <gurckc$gri$1@smc.vnet.net>

The zeros are the result of using approximate numbers. You could try
Chop to get rid of these little bastards.

Cheers -- Sjoerd

On May 18, 12:17 pm, "Obaid Ur Rehman"
<Obaid.Reh... at student.adfa.edu.au> wrote:
> I am wondering if some one can help me in the following problem.
>
> Whenever I solve or do some manipulation with certain matrix or vector,
> it gives me result in the following form e.g.
>
> F=0.x1+0.x2+1.x3+0.x4
>
> It is clear that F=x3 but why the expression contains multiples of
> zeros. If certain vector is multiplied by zero the result should be zero
> and it must not be appear in the final expression.
>
> Could you people please help me out to get rid of these zeros in the
> final expression?
>
> Obaid