#N canvas 0 0 450 471 10;
#X obj 63 72 cv/#SVD;
#X obj 80 94 display;
#X obj 64 164 display;
#X msg 63 53 2 2 f # 30 40 50 60;
#X text 63 33 numbers coming from the equation of an ellipse;
#X text 111 75 eigenvectors show the direction of axes of the ellipse
;
#X text 74 145 eigenvalues show the square of the length of the axes
;
#X obj 33 223 #extract_diagonal;
#X obj 46 247 display;
#X text 140 222 just keep the diagonal of the matrix;
#X obj 34 314 display;
#X text 109 294 just the radiuses;
#X obj 33 294 # sqrt (f #);
#X connect 0 0 2 0;
#X connect 0 0 7 0;
#X connect 0 1 1 0;
#X connect 3 0 0 0;
#X connect 7 0 8 0;
#X connect 7 0 12 0;
#X connect 12 0 10 0;