Undocumented function Polygon

In mathcad 15 does not exist. There is, however, Polyhedron but it is another thing ...

as you can see from the following image:

Luc,

Can you attach MC11 worksheet? And more: plottools - Maple Programming Help

Found how to use it. It works only in plotting. Here's an example:

With a bit of further experimenting I found that the first three rows of the matrix that goes into the Polygon function contain the X, Y and Z-coordinates of the polygon points respectively. Further rows determine colour or the polygon.

Here are three examples:

And their results are:

The black (tilted w.r.t. the X/Y plane) triangle is associated with L3, the red/blue/green triangle is L6 (the subsequent rows of the matrix determine the values of red, blue and green on the respective points on a scale from 0 to 1 (any value above 1 or below 0 is discarded). The third triangle uses a 4-valued colour that I haven't figured out yet; I've set the display to fill the polygon with smooth shading.

There also exists a Polyline function, that just draws a line from point to point, but the order of coordinates is unusual: Y,Z and then X. And it doesn't work with the four-valued colour (L7). The other two shapes from the same matrices above become:

Luc

With a function polygon()

and PolyLine() that uses Polyline after rearranging the X,Y and Z-coordinates

I can now draw pentagons:

The polyline (incomplete) pentagon sits on level z=0, the full pentagon sits on level z=1.

Luc

Not in 15.  Not in Prime.

There was a switch from Maple to SciTech half way through the 13 releases.  Perhaps it is coming from Maple.

And now there appears to also exist a function Points() in Mathcad 11. It appears to be related to plotting as well.

Luc