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Re: Coefficient...


On Jul 31, 12:05 pm, "Bruno Campanini" <B... at gmail.com> wrote:
> Given fx:=ax^2 + dxy + 2cx + bcxz
> Coefficient[fx,x] gives   dy + 2c + bcz   but I only need 2c.
>
> Without any If clause, is it possible to get Coefficient not
> to look on terms containing y or z?
>
> Bruno

Probably the most natural solution is to evaluate your result at y=0
and z=0:
In[17]:= Coefficient[fx, x] /. {y -> 0, z -> 0}

Out[17]= 2*c

Adriano Pascoletti



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