wilson_optimize is a MATLAB function that computes the
4-by-4 symmetric and symmetric positive definite matrices
with integer elements lying between 1 and 10 having the largest 2-norm
condition numbers.
The code takes about forty minutes to run on a PC with an
Intel Core i7-6800K processor.
The code was developed in MATLAB R2020b.
Optimizing and Factorizing the Wilson Matrix, Nicholas J. Higham and Matthew C. Lettington, submitted.
See license.txt for licensing information.