The skeleton of the data matrix A is shown in Figure 1.

X=[2, 6, 8, 13, 16, 26]

Y=[0, 2, 4, 6, 8, 10, 12]

A = [ 0 3.6 11.2 14.8 24.4 30 49.6 ;

0 7.2 22.4 29.6 48.8 60 99.2;

0 10.8 33.6 44.4 73.2 90 148.8;

0 14.4 200 59.2 97.6 120 198.4;

0 18 56 74 122 150 248;

0 21.6 67.2 88.8 146.4 180 297.6]

See SVD3.m. March 26, 2001.