This repository contains code associated with the manuscript:

Optimal time step length for Lagrangian, interacting-particle simulations of diffusive mixing, by Michael J. Schmidt, Nicholas B. Engdahl, David A. Benson, and Diogo Bolster.

• The 1D/zeroV directory contains the Matlab code to generate the results discussed in Section 3.1, 1D constant velocity.

• The 1D/sawtoothV directory contains the Matlab code to generate the results discussed in Section 3.2, 1D spatially variable velocity.

• The 2DnoFlow directory contains the Matlab code to generate the results discussed in Section 3.3, 2D constant velocity.

• The 2DshearFlow directory contains the Matlab code to generate the results discussed in Section 3.4, 2D linear shear flow.