How to make this surface?

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mc18004
mc18004 2019-12-4
回答： Akira Agata 2019-12-4
z = y*x
0<x<5
x/2<y<2

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Akira Agata
Akira Agata 2019-12-4
Ran in:
Straight-foward solution would be like this:
x = linspace(0,5);
y = linspace(0,2);
[xGrid, yGrid] = meshgrid(x,y);
zGrid = yGrid.*xGrid;
idx = xGrid./2 < yGrid;
zGrid(idx) = nan;
figure
surf(xGrid,yGrid,zGrid)

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