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Function Reference: Volume 2 (F-O) - The MathWorks - #551

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Text version of the page

griddata3

d = -0.8:0.05:0.8; [xi,yi,zi] = meshgrid(d,d,d); w = griddata3(x,y,z,v,xi,yi,zi);

Since it is difficult to visualize 4D data sets, use isosurface at 0.8:

p = patch(isosurface(xi,yi,zi,w,0.8)); isonormals(xi,yi,zi,w,p);

set(p,¹FaceColor'j'blue','EdgeColor','none');

view(3), axis equal, axis off, camlight, lighting phong

Algorithm The griddata3 methods are based on a Delaunay triangulation

of the data that uses Qhull [1]. For information about Qhull, see http://www.qhull.org/. For copyright information, see http://www.qhull.org/COPYING.txt.

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