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fault in 3d surface draw.
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hi everybody
in attach file i draw serface b: z = sqrt((1)^floor(x) (1)^floor(y)) sqrt(16  x²  y²) but not exact . why? or how i can correct it?
thanks
Files:
3d.ggb
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the account of points needed for more accuracy is out of the default settings of GG.
you will need more points
try
m1 = Sequence(Sequence(If(k ≤ x ≤ k + 1 ∧ j ≤ y ≤ j + 1 ∧ Mod(k + j, 2) ≟ 0, sqrt(16  x²  y²)), k, 4, 4), j, 4, 4)
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