有一道题是关于Mathematica的：画出球面x^2 + y^2 + z^2 = 1与平面x+2y+3z=6是交线图形。谁会？

如题所述

他们就没交线，没人会，改成x+2y+3z=2吧

p1 = ContourPlot3D[
x + 2 y + 3 z == 2, {x, -1, 1}, {y, -1, 1}, {z, -1, 1},
Mesh -> None];
p2 = ContourPlot3D[
x^2 + y^2 + z^2 == 1, {x, -1, 1}, {y, -1, 1}, {z, -1, 1},
Mesh -> None];
p3 = ContourPlot3D[
x + 2 y + 3 z == 2, {x, -1, 1}, {y, -1, 1}, {z, -1, 1},
RegionFunction -> Function[{x, y, z}, x^2 + y^2 + z^2 <= 1],
BoundaryStyle -> Directive[Thickness[0.01], Dashed, Green]]
Show[{p1, p2, p3}]

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