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Re: non zero result after multiplying with zero.


Hi,

Unprotect[Times]
Times[0., __] := 0
Protect[Times]

Regards
  Jens

Raj wrote:
> 
> Hi everybody,
> 
>   When I multiply an expression with 0 it is giving 0.expression which
> is creating problem in the further calculation.
> 
> eg.
> 
> In[1]:=func1[r_]:=Exp[-r/2]
> In[2]:coeff[[1,1]]=0.0;
> ;
> ;
> In[34]:=func1[r]coeff[[1,1]]
> 
> Out[34]:=0.Exp[-r/2]
> 
> I want anything to be multiply by zero must be zero.
> 
>    How can I do that?
> Your suggestion will be highly appreciated.
> 
>    Thanks in advance,
> 
>   Raj


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