[sage-support] Re: Slope field question

2011-09-16 Thread kcrisman
Here's an example. sage: var('y') y sage: P = plot_slope_field(y+2-x*y,(x,-10,10),(y,-10,10)) sage: T = desolve_rk4(y+2- x*y,y,ics=[0,1],end_points=[-10,10],step=0.01) sage: P + points(T,size=2,color='green') You'll get some warnings you can ignore (known bug of sorts upstream). - kcrisman --

[sage-support] Re: Slope field question

2011-09-16 Thread kcrisman
On Sep 16, 2:34 pm, Dan Aldrich wrote: > Looking at the published slope field examples, plotting a solution > seemed a bit more difficult than I expected. Some packages just let > you click on the point you want the solution go go through. I don't > expect anything that simple but is there a way

[sage-support] Slope field question

2011-09-16 Thread Dan Aldrich
Looking at the published slope field examples, plotting a solution seemed a bit more difficult than I expected. Some packages just let you click on the point you want the solution go go through. I don't expect anything that simple but is there a way to plot a solution on the slope field if you

[sage-support] Re: Bug in pari/gp or sage? Any fixes?

2011-09-16 Thread luisfe
On Sep 15, 12:43 pm, Amir wrote: > Hi > > I have the same problem. I am using sage 4.6 installed on windows > vista. This is part of code I have written in sage. Is there anyway I > can catch this error and make an exception? > > Thanks An exception is not the way to dela with this error. We n