Philip Roe's user avatar
Philip Roe's user avatar
Philip Roe's user avatar
Philip Roe
  • Member for 5 years, 8 months
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16 votes

Two trains move towards each other, a bird moves between them. How many trips can the bird make?

8 votes

Why should I "believe in" weak solutions to PDEs?

4 votes

To what extent is linear stability analysis of numerical methods relevant to nonlinear ODEs?

4 votes

Two distinct tangents are drawn to cubic

3 votes

(PDEs) Why doesn't my solution look like anything I can find online?

3 votes

Numerical integration in 2D over a triangle - Quadrature formula

3 votes

Use the method of characteristics to solve $u_t+uu_x+\frac{1}{2}u=0$.

2 votes

Good introductory book on fluid dynamics

2 votes

Motivation for the rigour of real analysis

2 votes
Accepted

Navier-Stokes equation, about pressure...

2 votes

Finite difference second derivative: Error analysis

2 votes
Accepted

Finding the equation of a plane that contains a given line and is perpendicular to a given plane

2 votes
Accepted

Basic Traffic-Flow problem (How to physically interpret the results)

2 votes

Can a cubic function have two tangents at a single point?

2 votes
Accepted

Traffic Flow Modelling - Highway Entrance Case

2 votes

What is the probability that at least 10 cards go by before the first jack?

2 votes

Can there be two adjacent solid angles?

2 votes
Accepted

Burgers' Equation with Compactly Supported Initial Condition

1 vote

Conventions in PDEs

1 vote

what does mean a zero eigenvalue in a PDE?

1 vote

Solution to the wave equation with Robin boundary conditions

1 vote

Wave equation in 3D solution at various positions (Kirchoff's formula)?

1 vote
Accepted

Shockwave trajectory

1 vote

Cannot understand intuition why integral is the difference of two functions on both ends

1 vote
Accepted

Are there any use of imaginary characteristics?

1 vote

Average distance from a point in a hollow sphere to the surface of the sphere?

1 vote
Accepted

What is a Jacobian?

1 vote

Use the method of characteristics to solve $u_t+uu_x+\frac{1}{2}u=0$.

1 vote
Accepted

Will Gauss quadrature numerical integration work with a variable dx

0 votes

deriving an integral quadrature rule on a triangle