Generates an NxN matrix with a nodes evenly distributed around a
circle with the given radius, and an additional node at the center
of the circle, one extra radius away from the others.
The extra radius should cause the central node to have a larger
"height" than the others.
Generates an NxN matrix with a nodes evenly distributed around a circle with the given radius, and an additional node at the center of the circle, one extra radius away from the others.
The extra radius should cause the central node to have a larger "height" than the others.