On 2014-06-14, [email protected] <[email protected]> wrote: > > > On Saturday, June 14, 2014 6:28:02 AM UTC-7, Volker Braun wrote: >> >> On Saturday, June 14, 2014 5:43:39 AM UTC+1, [email protected] wrote: >>> >>> I'm working with quotients of complex numbers. >>> >> >> The fraction field of the complex numbers are the complex numbers. >> >> For any serious computation you should probably figure out the smallest >> field you are really working in; E.g. cyclotomics or some algebraic >> extension. Don't just rely on symbolic computations. >> >> > Thanks. My objective is not pure mathematics. I'd like to have some tools > for applied problems in optics and some other areas of engineering where > lengthy analytical expressions arise and numbers get inserted to calculate > observable quantities, uncertainties, and such.
there is nothing wrong with using a bit of pure mathematics for applied problems; e.g. cryptographers do this all the time... > I'd ultimately use > Sage/Sympy/Python in some combination to check hand calculations as well as > do harder calculations. > > Since Sage incorporates many Python-based packages I thought to ask whether > it preserves options such as complex=True in expand(). Perhaps Sage's > expand() is not the same as Sympy's expand()? it can very well be Maxima's expand(). > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
