用mathematica画出z=sin(x^2+y^2)在-5_数学解答

用mathematica画出z=sin(x^2+y^2)在-5

人气：457 ℃　时间：2020-03-25 14:13:39

解答

Plot3D[Sin@(x^2 + y^2),{x,-5,5},{y,-5,5},PlotPoints -> 40]ContourPlot[Sin@(x^2 + y^2),{x,-5,5},{y,-5,5},PlotPoints -> 40]DensityPlot[Sin@(x^2 + y^2),{x,-5,5},{y,-5,5},PlotPoints -> 40]要是觉得出图质量...