[GiNaC-list] legendre and chebyshev polynomials

Jens Vollinga jensv at nikhef.nl
Fri Jul 10 15:11:01 CEST 2009


Hi,

Jorge Cardona schrieb:
> What do you think is better, to let the derivatives of the polynomials
> in terms on the same polynomials, and expaned as like the users, or
> always expand at the derivative and return the polynomial expanded at
> the derivative (as in the legendre polynomial)?

well, I don't know. Maybe give a option? Anyway, it sounds like it can 
be changed easily later on when the advantages and disadvantaged become 
more clear.

Just wondering: why you don't use const references in the ctors?

>     // Constructor of chebyshev of first kind
>     chebyshev_1(numeric n, symbol x);

Regards,
Jens


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