On Fri, Nov 28, 2014 at 8:39 AM, Christophe Bal <[email protected]> wrote: > Hello. > > There is two points of view here. > > Using Python for math, and in this case, the less technic of programmation > is used and the best it is. This is more true with young students. Sage is a > great tool for that ! I definitely love it ! > Using Python for starting programmation and in this case, do not speak of > importation will be an error. > > In my work, for the moment I have student doing math and not programmation.
That's a nice way to clarify the situation. For many users, Sage is primarily a Python program for doing computational mathematics (as its mission statement: "viable alternative to Magma, etc." implies), and secondarily a computational mathematics library to support Python programs. William > > > Christophe BAL > Enseignant de mathématiques en Lycée et développeur Python amateur > --- > French math teacher in a "Lycée" and amateur developer in Python > > 2014-11-28 0:26 GMT+01:00 William Stein <[email protected]>: >> >> On Thu, Nov 27, 2014 at 3:12 PM, Simon King <[email protected]> >> wrote: >> > Hi Christophe, >> > >> > On 2014-11-27, Christophe Bal <[email protected]> wrote: >> >> Indeed, my question is related to pedagogical reasons. Even if my code >> >> is >> >> simple, it uses the import machinery that I would like to not use. >> > >> > Why not? Isn't it a good thing to teach students that polluting the >> > global name space is bad and thus that the stuff one needs should >> > first be imported? >> >> I disagree. A basic design choice in Sage -- since day 1 -- is not >> to make such a judgement. >> Sage is meant to be an easy to use system designed for mathematics, >> which happens to use Python >> as a language, instead of me creating a new language from scratch. >> >> Of course we have to take with what is introduced in the global >> namespace. But that you can start >> Sage and type >> >> sage: sin(pi) >> >> is not only *good*, but critical. Requiring all users to do a few >> imports before the above would be bad. >> >> -- William >> >> > >> > Best regards, >> > Simon >> > >> > -- >> > 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. >> >> >> >> -- >> William Stein >> Professor of Mathematics >> University of Washington >> http://wstein.org >> >> -- >> 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. > > > -- > 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. -- William Stein Professor of Mathematics University of Washington http://wstein.org -- 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.
