How do I graph the portion of the sphere in the first octant?

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R
R 2018-11-30
回答： Mark Sherstan 2018-11-30
I'm trying to graph x^2+y^2+z^2 = 4 in the first octant. How do I go about doing this?

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Mark Sherstan
Mark Sherstan 2018-11-30
[x y z] = sphere;
r = 2;
surf(x*r, y*r, z*r);
xlim([0 2.5])
ylim([0 2.5])
zlim([0 2.5])
Screen Shot 2018-11-30 at 9.34.14 AM.png

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