why won't this graph Greetings, I confess to having, from time to time, difficulty knowing why GC won't graph some things. I've used sliders in other animated...
Hi, The y = ... line probably should read y(x) = ... I don't see w (the one on the first eq. line) used anywhere. I removed it. Also the y(x) = g(x) will not...
... The problem seems to have been just with the "w"; GC 3.5 won't accept using reserved letters (t, u, v, w, i, r, etc.). The "w" is used in complex 4D...
The following are the special symbols that GC 3.5 uses. These can't be used as variables.
You can find them by searching for "reserved" in the Help.
I've...
... GC is quirky, to be sure. I do hope this gets cleaned up as time goes on. The LONG list of reserved names is one of my pet peeves. I really, REALLY...
... No initial conditions can be specified explicitly with GC 3.5, however you can move the cross-hair in such a way as to see the curve matching any given...
You can use the color box to get just one curve Makes this much easier Move curve to the point Just watch coordinates...no need to plot lines ... Re:...
Eventually maybe this could lead to ways of visualizing different numerical integration methods for ODEs. One thing we notice is that the solution curves...
Hoping to get some visual insight into how each function curve is threaded through the slope field by numerical solution procedures, e.g. Runge-Kutta method. ...
As long as we've got an integrable function of x on the right hand side, we can integrate.  The integrator at http://integrals.wolfram.com/index.jsp works, ...
Sorry, I wasn't showing all the slope segments due to a typo in one of the equations.   Sorry, I wasn't showing all the slope segments due to a typo in...
For some reason I couldn't take the derivative of the unit tangent the way I wanted to, so the tubes may get a little distorted in places. However, you can...
Here's why the spiral gets kinky. The way the drawing is done is to twist each segment between the "hoops". So the tube will be narrower in the middle.  ...
Just derives from rule of exponents. I guess the apparent lack of symmetry between the general exponential, and the general logarithm is due to the Chain Rule...
The function for the unit tangent is working OK, but GC doesn't like the exression for the unit normal I have, although it's correct mathematically.   ...
The monkey is seated in the Frenet–Serret frame http:// en.wikipedia.org/wiki/Frenet_formulas   The monkey is seated in the Frenet–Serret frame ...
An attempt to contrast a curve with no torsion (the plane sine curve), with a twisting one (the wobbly sine curve). The chick on the easy roller coaster stays...
An attempt to contrast a curve with no torsion (the plane sine curve), with a twisting one (the wobbly sine curve). The chick on the easy roller coaster stays...
Looking through the demos, I see some things that as far as I know are not documented or hardly mentioned in any of my reading about graphing calculator. Is...
... It's actually the points "a" and "b", represented by complex numbers, that are being dragged around.   You can have any points draggable by assigning...
On Feb 18, 2009, at 3:08 PM, johnalbers2003 wrote:
> Looking through the demos, I see some things that as far as I know are
> not documented or hardly...
Graphing variables, such as t (for parametric lines) and u and v (for parametric surfaces) are sort of like paint brushes which are applied to the vectors you...
I am looking at examples/two dimensions/tangent line to a function and would like to know how they entered the notation for the derivative of f(x) vertical bar...
... I lost the original example, but here's an attempt to do a version where the length of the arrow is equal to the value of the derivative.  To get the...
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