Plot3D [ (Cos[Pi x] Cos[Pi y])^3, {x, -2, 2}, {y, -2, 2}, PlotPoints -> 50, Boxed -> False, Axes -> None] |
Plot3D[ Cos[Pi x] Cos[Pi y], {x, -4, 2}, {y, -4, 2}, PlotPoints -> 50, Boxed -> False, Axes -> None] |
Plot3D[ (50x^2 + y^2) Exp[1 - x^2 - y^2], {x, -2.5, 2.5}, {y, -2, 2}, ViewPoint -> {1.015, -3.181, 0.548}, PlotPoints -> 50, Boxed -> False, Axes -> None] |
Plot3D[ 1/Sqrt[(1 - x)^2 + y^2] + 1/Sqrt[(1 + x)^2 + y^2], {x, -2, 2}, {y, -2, 2}, PlotPoints -> 50, Boxed -> False, Axes -> None] |