results for surf(...) and meshc(...) seem to be the same, but when should be used which one? Singular Values of Matrix A may be relevant here.
ok, I found out the difference:
figure('name','xAx (a)');
subplot(1,2,1)
surf(xAx_a) % 3-D shaded surface plot (plates formed by lines are colored)
subplot(1,2,2)
meshc(xAx_a) % mesh plot incl. contour curves below it (plates formed by lines are transparent)
colormap('hsv')
But how are these contour curves related to SVs?
Solution + explanation:
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