Hi Maria,
Yes, this is possible, for example the implementation of your eaxmple
could be:
root > TF1 f1("f1","(x<=1)*(x+1) +(x>1 && x<=10)*x*x + (x>10)*sqrt(x)",0,20)
root > f1.Draw()
Rene Brun
Maria Jesus MORA wrote:
>
> Dear all;
>
> I am wondering if in the TF1 class exist the possibility to create a
> function with several formulae inside (for differents windows in x). The
> equivalent to:
>
> /
> | x+1. 0.<x<=1.
> |
> f(x) = | x^2 1.<x<=10.
> |
> | sqrt(x) 10.<x<=20.
> \
>
> for instance.....
> Thanks,
>
> Maria MORA
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