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The boundary conditions will be Dirichlet ones,
| ![\begin{displaymath}
u(0,t)= u(\ell,t) = 0.\end{displaymath}](img21.gif) |
(11) |
For the case of acoustics in a pipe, Neumann or mixed
boundary conditions also often appear.
Next: The initial conditions.
Up: The wave equation.
Previous: The PDE.