//[X,Y,Z] = MESHGRID(x,y,z) produces 3-D arrays that can be used to// evaluate functions of three variables and 3-D volumetric plots.>> [X Y Z] = meshgrid(1:10, 1:10, 1:10);>> A = (X-4).^2+(Y-3).^2+(Z-5).^2;
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