1 files changed, 23 insertions, 0 deletions
diff --git a/externals/gridflow/doc/flow_classes/#extract_diagonal-help.pd b/externals/gridflow/doc/flow_classes/#extract_diagonal-help.pd
new file mode 100644
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+++ b/externals/gridflow/doc/flow_classes/#extract_diagonal-help.pd
@@ -0,0 +1,23 @@
+#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;