projective rendering of the graph of a trigonometric surface



From the 2023 Maple Conference Gallery

Force 10 is a projective rendering of the graph of the first cycle from zero in both
x and y of a scaling factor times

3+2*cos(x)+2*cos(y)+6*cos(2*x)+6*cos(2*y)
+4*cos(x)*cos(2*y)+12*cos(2*x)*cos(2*y)
–4*cos(x)*cos(y)+4*cos(2*x)*cos(y)

A 50x50 data grid was used. The view is from between two peripheral peaks looking towards the point (π,π,0)


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