Hi - Ron Avitzur suggested I join this group. I'm an artist and have been using Graphing Calculator to make animations surfaced with my art. Very exciting...
I think what you do is you make a three-vector, like [x] [1 + v/2 ...] [y] = [1 + v/2 ...] [z] [v/2 ...] That is, make one three vector equal another,...
Work-in-progress towards illustrating a very clever diagrammatic proof of Cramer's Rule from Roger Nelsen's "Proofs without Words" collection (MAA). You adjust...
Here's an attempt to distinguish the faces more clearly via color gradients using [r g b] hue specifications. To get yellow, we use [r g b] = [1 1 0]: The...
Here's an example of two vectors that remain bound to the gray plane (indicated by concentric circles) no matter how you change the coefficients of the plane...
It looks like I may have defined my normal and binormal vectors inconsistently, leading to the moving starting longitude line in the previous examples. ...
I haven't done it yet below, but one neat way to make it clear when vectors lie along the same direction might be to make a series of offset corkscrews, so...
Here are some improved 3D arrow-drawing functions. All the parameters are available, so you can do things like having disks at unit intervals along the arrow....
Hello, I was wondering if anybody had algebra, trigonometry, linear algebra or calculus material that I can use to teach a class on Graphing Calculator? ...
I haven't got much time to point out much now, but there are a lot of more-or-less organized files in the "Files" section. You just click on "Files" and then...
Hi Graphing Calc Users, I've not used this software before but I noticed on the tour page there is "drag algebra". I was wondering if you've taken that concept...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the GraphingCalcUsers group. File :...
GraphingCalcUsers@yah...
Sep 15, 2007 9:11 am
1446
As a final check, it's a good idea to graph the results:   ... As a final check, it's a good idea to graph the results: On Sep 12, 2007, at 5:38 PM, John...
I didn't give GC enough credit. Fractions with different denominators can be added directly via "drag algebra" as follows:   Pull over to the right as...
John, Sounds interesting, and I'd like to see the demo, but I haven't been able to view either file so far. I get this for the .mpg file  and this  for...
Hey Chris, I'll try transcode it to another format tonight. I'm not sure which are well supported codecs on Macs and Windows so its entirely possible that...
Could anyone advise me on how I can operate in 3D mode? When I attempt to enter co0ordinates as shown in the help files,"you enter this," all attempts are...
... If you can attach a file or send it to me, it would a lot easier to zero in on the problem. Are you sure you have GC 3.5? To find out, select "About...
... Were you trying to graph this in 3D? The problem with that is that you have no y variables in the equations. If you put one in, even if multiplied by...
... You have to enter "=" and then another 3-vector (Math/3-Vector), and then fill in the fields of that 3-vector with the function you want to plot. For...
You can always draw the associated field lines for a vector function by just forming the related ordinary differential equation by taking the "Total...
Although you can't do field lines for 3D vector fields in GC 3.5, you can add a surface from which to draw the arrows. The surface could be movable, allowing...
Here's a vector field with the same animated y-term added to each component. You can drag the mouse in the graph to see the field line going through that...
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