I don’t think “sparsity” in ML, where like 10...50% is sparse, is the same as sparsity in Physics, where 99.999% (add more 9 with larger problems) of your matri

I don’t think “sparsity” in ML, where like 10...50% is sparse, is the same as sparsity in Physics, where 99.999% (add more 9 with larger problems) of your matrix is sparse.