View source for Errata: References to first and second equations are switched in computer implementation discussion

{{errata page
| chapter = Output Feedback
| page = 224
| line = -7 to -5
| contributor = RE. Tuna
| date = 13 Feb 08
| rev = 2.9d
| version = First printing
| text = 
The references to the first and second equations are switched.  The text should read
<blockquote>
The ''second'' equation consists only of additions and multiplications and can thus be 
implemented directly on a computer. The ''first'' equation can be implemented by 
approximating the derivative by a difference...
</blockquote>
}}