The discussion focuses on the challenges of implementing the Lax-Wendroff scheme in MATLAB to solve the Navier-Stokes equations, specifically for the coalescence of two bubbles. The original poster is seeking assistance in generating the necessary code. Another participant mentions their experience with a similar problem, referencing their MPhil thesis as a potential resource. The conversation highlights the need for clarity on whether the difficulties lie in the finite difference scheme or other aspects of the implementation. Overall, the thread emphasizes collaboration and resource sharing for solving complex fluid dynamics problems.