View source for Errata: In Examples 5.5 and 5.6, dynamics in modal form should use z, not x

{{errata page
| chapter = Linear Systems
| page = 145
| line = 5 and page 149, line 8
| contributor = C. Caramanis
| date = 18 Feb 08
| version = First printing
| text = 
On the right hand side of the equations defining <amsmath>\dot z</amsmath>, showing the dynamics of the coupled spring-mass system in modal coordinates, the state should be <math>z</math> instead of <math>x</math>.
}}