List questions from partial-differential-equations

Published on 09 Apr 2026 - 14:16

174

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PDE Laplace equation Calculate $u(x,0)$.

Published on 25 Mar 2026 - 20:35

36

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If $u=0$ in the border can I say $\frac{\partial u}{\partial \vec n}=0$ in the border?

Published on 03 Oct 2018 - 13:01

689

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Interpreting the boundary conditions of a Dirichlet Problem in an annulus

Published on 27 Mar 2026 - 19:53

3.7k

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Need good reference or a proof on regularity of solution to Neumann problem

Published on 25 Mar 2026 - 20:34

246

Views

Numerical method for solving a system of two, coupled, nonlinear PDE's

Published on 26 Mar 2026 - 1:02

1.3k

Views

Method of characteristic: why a characteristic curve cannot intersect the initial curve in two points

Published on 25 Mar 2026 - 6:50

395

Views

what is meant by "the integral is interpreted in the weak sense"?

Published on 09 Apr 2026 - 21:15

88

Views

Continuity of the map associated with Neumann to Dirichlet map.

Published on 25 Mar 2026 - 7:43

124

Views

PDE: Properties of boundaries

Published on 11 Apr 2026 - 1:54

123

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Does solution of heat equation increase in time if the source term is positive?

Published on 09 Apr 2026 - 14:22

172

Views

PDE from first Order $yu_x+xu_y=u^2$ Solving with characteristic lines

Published on 25 Mar 2026 - 6:50

197

Views

Steady state solution using time derivatives set to zero

Published on 02 Apr 2026 - 0:12

29

Views

Relations between Heat Equation and density of polynomials.

Published on 08 Apr 2026 - 18:06

503

Views

Use of the Poisson Kernel to solve Inhomogeneous Laplace Equation

Published on 05 Oct 2018 - 8:53

List Question

Obtain function from its partial derivatives

PDE Laplace equation Calculate $u(x,0)$.

If $u=0$ in the border can I say $\frac{\partial u}{\partial \vec n}=0$ in the border?

Interpreting the boundary conditions of a Dirichlet Problem in an annulus

Need good reference or a proof on regularity of solution to Neumann problem

Numerical method for solving a system of two, coupled, nonlinear PDE's

Method of characteristic: why a characteristic curve cannot intersect the initial curve in two points

what is meant by "the integral is interpreted in the weak sense"?

Continuity of the map associated with Neumann to Dirichlet map.

PDE: Properties of boundaries

Does solution of heat equation increase in time if the source term is positive?

PDE from first Order $yu_x+xu_y=u^2$ Solving with characteristic lines

Steady state solution using time derivatives set to zero

Relations between Heat Equation and density of polynomials.

Use of the Poisson Kernel to solve Inhomogeneous Laplace Equation

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