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How do I plot x^2+z^2=9 above the xy plane and between y=-1 and y=2?
syms x y z; [x,y]=meshgrid(-10:1:10); z = abs(sqrt(9-x.^2)); surf(x,y,z); ylim([-1 2])
How do I plot x^2+z^2=9 above the xy plane and between y=-1 and y=2?
syms x y z; [x,y]=meshgrid(-10:1:10); z = abs(sqrt(9-x.^2)); surf(x,y,z); ylim([-1 2])
2 years 前 | 0