List questions from partial-differential-equations

Published on 14 Apr 2026 - 2:36

160

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Expressing Equations in Lagrange Subsidiary Form

Published on 14 Apr 2026 - 21:24

151

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Nonexistance result of elliptic equation

Published on 14 Apr 2026 - 13:14

265

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Integral of the boundary of a ball (spherical coordinates)

Published on 11 Apr 2026 - 18:55

318

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stability for 2D crank-nicolson scheme for heat equation

Published on 10 Apr 2026 - 4:14

135

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Confusion regarding the notation of associated operator of a PDE.

Published on 13 Apr 2026 - 12:25

484

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Solve PDE using method of characteristics with non-local boundary conditions.

Published on 25 Mar 2026 - 15:17

80

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Infinite integral that seems to diverge but question requires it does not.

Published on 11 Apr 2026 - 14:35

180

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How to solve $u_t + u_x =0$ with $u_0(x) = \sin(\pi x)$ with Characteristics?

Published on 13 Apr 2026 - 6:11

257

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Consider the heat equation Cauchy problem

Published on 08 Apr 2026 - 20:50

67

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Modifying the energy integral method to show uniqueness

Published on 12 Apr 2026 - 7:25

268

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The trajectory of the harmonic oscillator

Published on 11 Apr 2026 - 18:39

1.4k

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Verify that $H(x-ct)$ is a weak solution of wave equation $u_{tt}=c^2u_{xx}$

Published on 15 Apr 2026 - 17:18

132

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Show that there is a solution of the Laplace equation $(\mu-A)p=f$

Published on 15 Apr 2026 - 21:41

56

Views

$H_{0}^{1}(\Omega)\hookrightarrow L^4(\Omega)$?

Published on 14 Apr 2026 - 22:01

List Question

Change of coordinates breaks the equality of mixed partial derivatives

Expressing Equations in Lagrange Subsidiary Form

Nonexistance result of elliptic equation

Integral of the boundary of a ball (spherical coordinates)

stability for 2D crank-nicolson scheme for heat equation

Confusion regarding the notation of associated operator of a PDE.

Solve PDE using method of characteristics with non-local boundary conditions.

Infinite integral that seems to diverge but question requires it does not.

How to solve $u_t + u_x =0$ with $u_0(x) = \sin(\pi x)$ with Characteristics?

Consider the heat equation Cauchy problem

Modifying the energy integral method to show uniqueness

The trajectory of the harmonic oscillator

Verify that $H(x-ct)$ is a weak solution of wave equation $u_{tt}=c^2u_{xx}$

Show that there is a solution of the Laplace equation $(\mu-A)p=f$

$H_{0}^{1}(\Omega)\hookrightarrow L^4(\Omega)$?

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