Hi Waldek, Thanks for your remarks.
On 3/18/15, Waldek Hebisch <[email protected]> wrote: > Abhinav Baid wrote: >> >> I've submitted a proposal to Melange though it doesn't include a >> timeline yet. Could you please review it and suggest any modifications >> necessary? > > Few remarks: > > - you write about reconstructing factors via Pade aproximation. > This is in fact called Hermite-Pade problem (Pade would be in case > of first order factor). FriCAS contains routine to solve > Hermite-Pade problem. In fact 'guessHolo' routine (maybe after > a small modification) should do. > Thanks for mentioning this. I added it to the proposal. > - concerning 'nm_mult' routine I do not undertand what is the > purpose. If you need computations on operatiors written in > terms of xD, then the domain I provided and convertion routines > you wrote should do. In particular multiplication of operators > written in term of 'xD' should be just '*'. > Oh, yes. I've removed that function from the proposal now. > - what 'ramification_of' should do? Is it the substitution > from end of page 19 in van Hoej thesis? > Yes, it is. I've tried to make it more clear in the proposal. > - could you say more precisely what 'coefs_operator' should do? > I've modified the proposal to reflect its purpose. Is it fine now? > - in chapter 2 van Hoej writes about exponential parts, then > in chapter 3 about very similar notion of generalized exponents. > Later developements showed that generalized exponents are more > important. I think you should provide routine to compute > generalized exponents (it should probably just take part of > result returned by 'factor_riccati'). > Okay. I was confused about whether or not I should've added a separate function for generalized exponents. But, as it seems to be important, I've included it now. Thanks, Abhinav. -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" 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/fricas-devel. For more options, visit https://groups.google.com/d/optout.
