Applied Partial Differential Equations by J. David Logan

Author:J. David Logan
Language: eng
Format: epub, pdf
Publisher: Springer International Publishing, Cham

that forms a basis for the expansion. The answer is: from a differential eigenvalue problem. We fully discuss this eigenvalue problem in Chapter 4. But for the present, we focus attention on the representation of functions by infinite series like the orthogonal expansion (3.6).

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EXERCISES

1.Consider the initial boundary value problem for the wave equation

(3.9)

(3.10)

(3.11)

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