dare function gives wrong results (compared to MATLAB dlqr, scilab) [sf#7] #8

Reported by murrayrm on 2014-03-22 19:22 UTC
Roberto Bucher reported the following bug to the discussion list:

The dare functions gives some wrong results, and I'll check the lqr function asap. Using the delivered "dare" function (mateqn.py) I have wrong values of the feedback gains (compared with the values given by matlab dlqr and scilab)