Urabe Lab. |1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|23|24|25|Epilogue　

Plot3D[ Cos[x y] + Sin[x y], {x, -5, 5}, {y, -5, 5}, PlotPoints -> 50, Boxed -> False, Axes -> None]	Plot3D[ (Sin[x] Cos[y] x y)^3, {x, -10Pi, 10Pi}, {y, -10Pi, 10Pi}, PlotPoints -> 50, Boxed -> False, Axes -> None]	Plot3D[Sin[x y], {x, -3, 3}, {y, -3, 3}, PlotPoints -> 50, Boxed -> False, Axes -> None]	Plot3D[Sin[x y], {x, -Pi, Pi}, {y, -Pi, Pi}, ViewPoint -> {1.5, -1, 3}, PlotPoints -> 50, Boxed -> False, Axes -> None]

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