Hi Jaime,
thanks for the prompt reply, that works great !
On Apr 22, 2010, at 11:52, Jaime Villate <villate at fe.up.pt> wrote:
> On Thu, 2010-04-22 at 11:27 +0100, Laurent Bernard wrote:
>> I'm fairly new to maxima, but could not really find a solution to my
>> problem in the archives or in the friendly manual...
> Hi; welcome to this list.
>
>> I'm trying the following:
>>
>> g(x):=x^3;
>> dg(x):=diff(g(x),x,1);
>> dg(0);
>
> Try rather:
>
> define(g(x), x^3);
> define(dg(x), diff(g(x),x,1));
> dg(0);
>
> Also, related to define vs. :=, read:
>
> http://www.math.utexas.edu/pipermail/maxima/2010/020599.html
> http://www.math.utexas.edu/pipermail/maxima/attachments/20100304/5be94304/attachment.mht
>
> Regards,
> Jaime
>
>
>
>