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Dan Doe's user avatar
Dan Doe's user avatar
Dan Doe
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Graduate/PhD Computational Science/Engineering student, focusing on numerics of PDEs.

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Top posts
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6
How do you explain what a hyperbolic PDE is...?
Feb 6, 2022
5
Partial derivative, show that problem. L.H.S to R.H.S
May 9, 2022
5
How do you derive the conjugate gradient method?
May 10, 2022
5
Why does a classical solution of the wave equation have to be $C^2$?
Jan 21, 2022
4
Multi-index notation for partial derivatives
Jul 15, 2022
4
Riemann problem - Are two shocks possible?
Jan 23, 2022
3
Why is the dotproduct of direction and gradient the directional derivative? ($\nabla_\hat{v} f = \nabla f \bullet \hat{v}$)
Feb 14, 2021
3
Show that this is a solution of this wave equation
Mar 30, 2022
3
Integrating by parts, where did I go wrong?
Jan 14, 2022
3
Two Matlab ODE solvers, two different results
Jan 19, 2022
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13
Why do we solve non-linearity in hyperbolic PDEs that way?
8
why not all conservation laws solved numerically by hyperbolic methods
7
Nonlinear optimization with constraint involving long product of optimization variables
7
What is a well-posed problem?
5
How to implement Lax-Friedrich flux splitting with WENO scheme