Plotting 3d Sphere with specific radius

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I am trying to plot a sphere in 3D. This is what i know so far.
[x,y,z] = sphere; surf(x+a,y+b,z+c);
now i know that (a b c) means that its a shift in the x y and z axis respectively but it also affects the radius at the same time. How can i create a shift like mention above but also scaling down the radius to something lower than 1?

Accepted Answer

David Legland
David Legland on 24 Jul 2012
maybe by specifying the radius as a scaling factor:
surf(x*r+a, y*r+b, z*r+c);
axis equal;

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