On Fri, Oct 25, 2013 at 6:30 PM, William Stein <wst...@gmail.com> wrote:
> For what it's worth -- I don't know when you were testing, Well, today. It's weird, even very simple things can inexplicably hang. However - it's definitely way better than it used to be. Last year a student created a local network that worked just beautifully. I thought the cloud interface would make that unnecessary, but then the drag re-appeared. but with > the major increase in the number of computers in the cluster starting > about two weeks ago (from 4 to 19), the cloud.sagemath servers are > never heavily loaded. Thank you, this is very good to know. This combined with other non-Sage network issues I think is significant. Our school network is pretty weird and constantly experiences unnecessary complications. > More than a few students at a time (e.g., > even 20-30) would not cause cloud.sagemath to slow down, unless all > students were actively trying to attack the system (e.g., with fork > bombs, etc., which would violate the terms of usage -- and so far > nobody has done that). Every morning there are typically 150-250 > connected clients at any given time, with 30-70 projects often being > actively used. This is actually causing very little load on the > machines, and they could easily handle 5-10 times that load. Since > there's also little bandwidth used in actual sessions, any drag you > see with cloud.sagemath is much more likely to be something where > cloud is just still slow, i.e., it's not _caused_ by "more than a few > students", but by lack of optimization of some functionality. > > > > > A cloud account is great for interested students, and the single cell > server > > is great for average students or resistant colleagues. The single cell > > server is also great for immediately conveying the power of Sage to > people > > who don't quite yet know what it is. Because of the simplicity of the > single > > cell server, I can send little hooks like this: > > > > Here is an arithmetic sequence. > > > > Here is another arithmetic sequence. > > > > Here is the sum of that last sequence. > > > > These are the triangular numbers. > > > > Here is a geometric sequence. > > > > Here is another geometric sequence. > > > > You can use the show() function to disply results in mathematical > typeset. > > > > Here is an interesting pattern. > > > > My goal is to keep explanation to a minimum and create curiosity to > explore. > > A lot of these cells could also be turned into interacts; although, I've > > noticed that in creating interacts, it results in a bit more code, and > > newbies react to that. So I've been experimenting a bit with minimal code > > and comments. > > > > Sincerely, > > > > Michel > > > > On Thu, Oct 24, 2013 at 8:02 PM, Theron Hitchman < > theronhitch...@gmail.com> > > wrote: > >> > >> I am posting this in several places, I apologize for hitting some of you > >> repeatedly. > >> > >> I am soon going to run a workshop for a college that is considering > >> adopting Sage full scale (they have an expensive Mathematica license, > and > >> want to switch to something they can afford.) > >> My target audience has requested help in "envisioning their future use > of > >> Sage in the classroom." This seems a perfectly reasonable request. > >> > >> I know how I have tried to use Sage with classes, but I am certain there > >> are people out there with other set-ups, some of which would be > interesting > >> to this group of potential new users. > >> > >> So, > >> > >> How do you use some version of Sage in a class? > >> > >> The more detail about your particular use, the better. I would be happy > to > >> get examples that vary widely: use of the cell server, a notebook > server, or > >> the cloud service, or whatever else you have. > >> > >> Thanks in advance, > >> > >> -- > >> TJ Hitchman > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "sage-edu" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to sage-edu+unsubscr...@googlegroups.com. > >> To post to this group, send email to sage-edu@googlegroups.com. > >> Visit this group at http://groups.google.com/group/sage-edu. > >> For more options, visit https://groups.google.com/groups/opt_out. > > > > > > > > > > -- > > =================================== > > "What I cannot create, I do not understand." > > > > - Richard Feynman > > =================================== > > "Computer science is the new mathematics." > > > > - Dr. Christos Papadimitriou > > =================================== > > > > -- > > You received this message because you are subscribed to the Google Groups > > "sage-edu" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to sage-edu+unsubscr...@googlegroups.com. > > To post to this group, send email to sage-edu@googlegroups.com. > > Visit this group at http://groups.google.com/group/sage-edu. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > -- > William Stein > Professor of Mathematics > University of Washington > http://wstein.org > > -- > You received this message because you are subscribed to the Google Groups > "sage-edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-edu+unsubscr...@googlegroups.com. > To post to this group, send email to sage-edu@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-edu. > For more options, visit https://groups.google.com/groups/opt_out. > -- =================================== "What I cannot create, I do not understand." - Richard Feynman =================================== "Computer science is the new mathematics." - Dr. Christos Papadimitriou =================================== -- You received this message because you are subscribed to the Google Groups "sage-edu" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-edu+unsubscr...@googlegroups.com. To post to this group, send email to sage-edu@googlegroups.com. Visit this group at http://groups.google.com/group/sage-edu. For more options, visit https://groups.google.com/groups/opt_out.
