List questions from wave-equation

Published on 27 Mar 2026 - 7:14

106

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Show that, for the classical solutions of the wave equation, the following quantity is independent of $t$.

Published on 26 Mar 2026 - 19:03

43

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Partial Differential equation and wave equation

Published on 26 Mar 2026 - 17:28

183

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Does the PDE $u_{tt} = a u_{xx} + b u_{xxxx}$ have a name?

Published on 27 Mar 2026 - 15:07

213

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Deriving the wave equation

Published on 25 Mar 2026 - 9:12

50

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Constructing a determinant to get the eigenvalues associated to a pair of wave equations

Published on 19 Dec 2019 - 19:54

237

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Find the general solution for the wave equation for waves in a closed loop.

Published on 20 Dec 2019 - 9:15

296

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Change of variables in a wave PDE

Published on 26 Mar 2026 - 8:15

45

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Wave equation for loop in two mediums

Published on 23 Dec 2019 - 6:00

2.8k

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Finding a Sine Wave That Goes Through a Set of Given Points

Published on 26 Mar 2026 - 14:43

1.6k

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Deriving the linear wave equation from Navier-Stokes, where am I going wrong? Missing a factor.

Published on 26 Mar 2026 - 8:14

412

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Representation theoretic explanation of Huygens' Principle

Published on 26 Mar 2026 - 23:11

53

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The wave equation, Fourier formula

Published on 31 Dec 2019 - 14:14

442

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Sine Wave With Alternating Wavelength

Published on 25 Mar 2026 - 18:14

968

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Problems using Green's Second Theorem to derive the Kirchhoff-Helmholtz equation

Published on 26 Mar 2026 - 10:58

List Question

Discretizing spatial derivatives of second order PDE.

Show that, for the classical solutions of the wave equation, the following quantity is independent of $t$.

Partial Differential equation and wave equation

Does the PDE $u_{tt} = a u_{xx} + b u_{xxxx}$ have a name?

Deriving the wave equation

Constructing a determinant to get the eigenvalues associated to a pair of wave equations

Find the general solution for the wave equation for waves in a closed loop.

Change of variables in a wave PDE

Wave equation for loop in two mediums

Finding a Sine Wave That Goes Through a Set of Given Points

Deriving the linear wave equation from Navier-Stokes, where am I going wrong? Missing a factor.

Representation theoretic explanation of Huygens' Principle

The wave equation, Fourier formula

Sine Wave With Alternating Wavelength

Problems using Green's Second Theorem to derive the Kirchhoff-Helmholtz equation

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