#N canvas 387 219 527 300 10;
#X obj 37 167 #moment-help;
#X obj 40 30 #moment_polar;
#X text 48 50 inlet 0: covariance matrix \, from [#moment 2] or compatible.
;
#X text 112 65 must be a 2x2 symmetric matrix.;
#X text 48 92 outlet 0: angle (only makes sense with a 2x2 matrix)
as int;
#X text 48 112 outlet 1: radiuses (from biggest to smallest) as float
grid;
#X text 30 151 please open this other help patch for a demo:;