A test set of integral LP basis matrices
This is a set of LP basis matrices used by William Cook and Daniel Steffy in their paper "Solving Very Sparse Rational Systems of Equations" It is hosted here for convenience (the previous hosting website has been taken down)
If you use this repository, please cite Cook and Steffy with the following:
Cook, William, and Daniel E. Steffy. "Solving very sparse rational systems of equations." ACM Transactions on Mathematical Software (TOMS) 37.4 (2011): 1-21.