Dan Doe's user avatar
Dan Doe's user avatar
Dan Doe's user avatar
Dan Doe
  • Member for 3 years, 9 months
  • Last seen this week
6 votes

How do you explain what a hyperbolic PDE is...?

5 votes

Why does a classical solution of the wave equation have to be $C^2$?

5 votes

Partial derivative, show that problem. L.H.S to R.H.S

4 votes
Accepted

Multi-index notation for partial derivatives

4 votes

How do you derive the conjugate gradient method?

4 votes
Accepted

Riemann problem - Are two shocks possible?

3 votes

Why is the dotproduct of direction and gradient the directional derivative? ($\nabla_\hat{v} f = \nabla f \bullet \hat{v}$)

3 votes

Two Matlab ODE solvers, two different results

3 votes

Integrating by parts, where did I go wrong?

3 votes

Counterexample: convergence of difference quotient in Backward Euler method

3 votes

Show that this is a solution of this wave equation

2 votes
Accepted

Stability of Explicit midpoint method

2 votes
Accepted

How to derive weak solution formulation when $f\in H^{-1}$?

2 votes

Examples of ODEs that are toy models for complicated phenomena in PDEs

2 votes

Two scale problems books

2 votes

Runge-Kutta methods for PDEs

2 votes

Shock trajectory for Burgers' equation

2 votes

Rankine–Hugoniot relation and Shock curve

2 votes

Strong vs Weak solution to one-dimensional elliptic PDE

2 votes

How to solve $\ddot{\vec{u}} = \vec{u} \times \hat{k}$

2 votes

Why maximum principle holds for scalar conservation law?

2 votes
Accepted

Oleinik's entropy condition

2 votes

Entropy condition for balance law of Burgers type

2 votes

Solving Nonlinear Shallow Water Equations using Predictor-Corrector Adam Bashforth Moulton

2 votes
Accepted

Integration by parts of vector fields (divergence, gradients)

2 votes

Confusion about an ODE problem

2 votes

Implicit 2D finite difference linear system

2 votes
Accepted

integrating 2nd order partial differential

2 votes

How to handle non-linear terms on FEM for PDEs

1 vote

Partial differential equation. Initial Boundary Value Probem.

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