Question: pointplot3d with arrays

(user of Maple 12)

I'm creating a program to graph the vertices of polygons.

My general variables are xcoord[ ][ ], ycoord[ ][ ], and zcoord[ ][ ], where for example xcoord[i][j] would represent the jth x coordinate of the ith polygon.

I have all the data generated, and am wanting to plot a particular polygon of my choice, but the arrays are giving me a bit of trouble.

I'm pretty new to maple and I haven't been able to figure out the syntax for everything.

The bit of code I'm using is:

with(plots);

pointplot3d(xcoord[3],ycoord[3],zcoord[3]);

Whenever I try and generate the plot, I get output along the lines of

pointplot3d ([xcoord[3],ycoord[3], zcoord[3]]) but no graph.

Any suggestions?

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