PS7soln1

# PS7soln1 - / gataﬂou; MATH 412: Problem Set 7 due...

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Unformatted text preview: / gataﬂou; MATH 412: Problem Set 7 due Tuesday, April 15, 2008 1. Strauss 5.4 #5 — Step function and convergence 2. Strauss 6.1 #4 — Leplace’s equation in a. spherical shell 3. Strauss 6.1 #6 — Laplace’s equation in a ring — (HINT: transform to polar coordinates) 4. Strauss 6.2 #3 — Harmonic function in a square 5. Strauss 10.1 #2 - Wave equation in a rectangle 6. Strauss 10.1 #4(a) - positive eigenvalues - (HINT: use the Divergence Thus on p.423, with f 2 Wu, and multiply by v.) 7> [/f/Fxltw’gj +C+é£r LC; u[LX:_ O :1 £72 QR 7+ "é/Zﬁt #? ...
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## This note was uploaded on 07/23/2008 for the course MATH 412 taught by Professor Belmonte during the Spring '08 term at Penn State.

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PS7soln1 - / gataﬂou; MATH 412: Problem Set 7 due...

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