Legacy/Controls/LQR-Design.md

@@ -127,3 +127,8 @@ positive semidefinite.
 
 [model_dev]:   http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3777&context=etd
 [ctrl_graph]:  ../../quad/src/computation_graph/README.md
+
+
+--------
+# References
+- [Original file](/../blob/master/controls/documentation/LQR_Design%2Emd)
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