Re: And some other simple questions

[Daniel Heiserer]

Vitaliy A Repin wrote:
> 
> Hello!
> 
> Several simple questions:
> 
> 1) How can I compute the value $f(x)=Sum_{i=1}^{+\infty} some_func(i,x)$?
In general there' no way in octave. It is a numerical package.
You could try to loop throug a while and compare sum_(i) and sum_(i-1),
but you should be aware that this could be a catastrophy.
Theres no symbolic math in octave right now to do such things.
Use your math basics for converging series.

> 2) How can I compute the value $f(x)=\frac{d^n}{d\, x^n} g(x)$?
Well differentiate it by hand or use multiple finite differences (could
be poor).


daniel