Kx + v = u constraints are used in the condensed formulation for keeping the problem well conditioned. However, these are not necessary in the sparse formulation and just lead to unnecessary additional constraints. These can be removed from the sparse formulation.
Kx + v = uconstraints are used in the condensed formulation for keeping the problem well conditioned. However, these are not necessary in the sparse formulation and just lead to unnecessary additional constraints. These can be removed from the sparse formulation.