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Spherical mean. Source code MATLAB inline ' 'x' 'y' blue red black lw fs tiny tiny tiny XX YY meshgrid XX YY Theta pi XC cos Theta YC sin Theta ZC XC YC figure clf hold on axis equal axis off view view surf 'FaceColor' 'red' 'EdgeColor' 'none' camlight right lighting phong make nice lightning the
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