Difference between revisions of "P. 571, line 21"

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0, & \frac{7}{2} < x \leq 20.
 
0, & \frac{7}{2} < x \leq 20.
 
\end{array} \right.
 
\end{array} \right.
 +
 +
[[Engineering Differential Equations: Theory and Applications, Springer 2010#Errata|Return to errata.]]

Revision as of 12:00, 29 November 2011

Exercise 11.4, number 4 should be:

, and

<math>u(x,0) = \left\{\begin{array}{lc} 0, & 0<x\leq 3\\ \sin 2 \pi x, & 3 < x \leq \frac{7}{2} \\ 0, & \frac{7}{2} < x \leq 20. \end{array} \right.

Return to errata.