[sage-support] Re: Conversion from HRepresentation to Vrepresentation

2015-07-17 Thread Volker Braun
On Friday, July 17, 2015 at 12:09:51 PM UTC+2, Dima Pasechnik wrote: > > can one deal with N(ot) N(ecessarily) C(losed) polyhedra in Polyhedron? > IMHO one cannot. > That is correct. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscri

[sage-support] Re: Conversion from HRepresentation to Vrepresentation

2015-07-17 Thread Dima Pasechnik
On Friday, 17 July 2015 09:26:02 UTC+1, Volker Braun wrote: > > I take it you are using the PPL wrapper directly instead of the more > user-friendly Polyhedron class. In that case you want the > minimized_generators method:t > can one deal with N(ot) N(ecessarily) C(losed) polyhedra in Polyhed

[sage-support] Re: OpenSSL::SSL::SSLError (hostname "smtp.gmail.com" does not match the server certificate)

2015-07-17 Thread Dima Pasechnik
Huh? Wrong google group? On Friday, 17 July 2015 10:14:48 UTC+1, Arvind Vyas wrote: > > I have deployed my rails app in cent os6 it is giving me > OpenSSL::SSL::SSLError (hostname "smtp.gmail.com" does not match the > server certificate) > > it is working in my local pc perfectly, also my smtp s

[sage-support] Re: Wrong indefinte integral

2015-07-17 Thread Dima Pasechnik
Wrong subject line: it's a problem with improper definite integrals, not indefinite integrals... On Friday, 17 July 2015 10:01:52 UTC+1, Johannes Lippmann wrote: > > Hello, > > > *Problem:* > Sage 6.7 returns for > > integrate(x/(x^2+1),(x,0,infinity)) > > the result 0. This is obviously wrong, s

[sage-support] OpenSSL::SSL::SSLError (hostname "smtp.gmail.com" does not match the server certificate)

2015-07-17 Thread Arvind Vyas
I have deployed my rails app in cent os6 it is giving me OpenSSL::SSL::SSLError (hostname "smtp.gmail.com" does not match the server certificate) it is working in my local pc perfectly, also my smtp settings is config.action_mailer.smtp_settings = { address: 'smtp.gmail.com', port: 587,

[sage-support] Wrong indefinte integral

2015-07-17 Thread Johannes Lippmann
Hello, *Problem:* Sage 6.7 returns for integrate(x/(x^2+1),(x,0,infinity)) the result 0. This is obviously wrong, since x/(x^2+1) is positive betwwen 0 and Infinity. *What I found out by now:* I couldn't reproduce the error with any simpler function. The antiderivate of the function is cal

[sage-support] Re: Conversion from HRepresentation to Vrepresentation

2015-07-17 Thread Volker Braun
I take it you are using the PPL wrapper directly instead of the more user-friendly Polyhedron class. In that case you want the minimized_generators method: sage: from sage.libs.ppl import Constraint, Constraint_System, Generator, Generator_System, Variable, NNC_Polyhedron, point, ray, closure_p