[sage-edu] Re: Sage graphical capabilities

2009-02-04 Thread Carl Witty
On Feb 3, 6:00 pm, marcos wrote: > Last time I checked I did not see anything regarding extensive 3D > visualization for SAGE. I was wondering whether it is something that > some one might be working on? Or whether this will be developed in the > future... More specifically, I would like to know

[sage-edu] Re: Vector Calculus, Interact Demos

2009-02-16 Thread Carl Witty
On Mon, Feb 16, 2009 at 1:36 PM, wrote: > I found that vectors should be handled by fast_float to create callable > vectors. I guess Carl is working on the fast_float code to do stuff > like this (arrays in fast_float; I've CCd him in case he isn't > subscribed here). I haven't been thinking a

[sage-edu] Re: sagelet - calculus in two variables - differential

2009-03-09 Thread Carl Witty
On Mon, Mar 9, 2009 at 7:09 AM, Jason Grout wrote: > I've noticed on this and several other interacts I've done where the > tangent plane looks ugly because right around the point of tangency, > jmol apparently gets confused with the two surfaces. > > Is this numerical error?  Is there anything w

[sage-edu] Re: sagelet - calculus in two variables - differential

2009-03-10 Thread Carl Witty
On Tue, Mar 10, 2009 at 11:20 AM, Rob Beezer wrote: > > Will that allow one to *explicitly* restrict a domain to a subset of > what is the biggest possible? > > In other words, could I plot x^2+y^2 *only* above the circle (x-2)^2 + > (y-3)^2=4? For the current implicit_plot3d, if you mean above

[sage-edu] Re: sagelet - calculus in two variables - differential

2009-03-11 Thread Carl Witty
On Wed, Mar 11, 2009 at 2:12 PM, William Cauchois wrote: > > Hello, > > William forwarded this thread to me. I've been working on the > parametric_plot3d code under his guidance, and I think I could > implement this feature, the option to specify points for exclusion > from a plot. Last night I i