Doug Lipinski's user avatar
Doug Lipinski's user avatar
Doug Lipinski's user avatar
Doug Lipinski
  • Member for 8 years, 6 months
  • Last seen more than a month ago
18 votes
Accepted

Least squares approximation question

18 votes
Accepted

Applying the Runge-Kutta method to second order ODEs

12 votes
Accepted

Fortran 90/95: Deallocating variables

11 votes

Why is my MATLAB code for back-substitution slower than the backslash operator?

11 votes

Is the Thomas algorithm the fastest way to solve a symmetric diagonally dominant sparse tridiagonal linear system

11 votes

Periodic boundary condition for the heat equation in ]0,1[

10 votes
Accepted

What's the difference between grid-based and mesh-based methods for PDEs?

9 votes
Accepted

Algorithm for high quality 1/f noise?

9 votes

How to find all roots of equation in Matlab?

9 votes
Accepted

Linear interpolation in Fortran

8 votes

Approximating a step function with polynomials

8 votes
Accepted

Why is computational cost measured in Floating Pt. Ops. in times of parallel computing?

8 votes
Accepted

High frequency noise at solving diffusion equation

7 votes
Accepted

Least Squares and Fourier Series

7 votes
Accepted

Numerical integration of non-uniform acceleration samples

7 votes

How to model a fishing rod (or a rope)?

7 votes
Accepted

Correct way of computing norm $L_2$ for a finite difference scheme

6 votes
Accepted

precision loss in non-trigonometric, periodic functions using FFTW and NaNs after marching forward in time (Fortran)

6 votes
Accepted

Does this "reverse binary search" have a name?

6 votes
Accepted

Complete (an incomplete) explanation of the phenomenon of "aliasing", when using Fourier series to approximate functions?

6 votes
Accepted

Simple integration in Matlab is off

6 votes

Optimization of prime factorization in C

6 votes

Angular Velocity by Vector - 2D

6 votes

matlab: []*[] == [] makes vectorized code difficult

6 votes

How to separate text from the paper on a black and white page?

5 votes

Numerical integration using RKF7(8) - different results

5 votes
Accepted

How to solve a Poisson equation using the finite difference method when there is an object inside a domain?

5 votes
Accepted

Constructing random divergence-free velocity fields

5 votes
Accepted

Sort of problems where SOR is faster than Gauss-Seidel?

5 votes
Accepted

scipy odeint: sum of conservative ode equations does not remain zero as it is being solved -- is this normal?