1. Finding out normal coordinates with the method of undetermined coefficients: An alternative starting point of solving a small oscillation problem with two degrees of freedom. Issue 3 (July 2016) Authors: Zhang, Gengmin Journal: International journal of mechanical engineering education Issue: Volume 44:Issue 3(2016) Page Start: 185 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗