readme file for sdTestsStefan
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freduce - performs one step of facial reduction given a matrix V with columns forming the basis for null(Exp), where Exp is an exposing vector

genBlockHard - modification of Wei-Wolkowicz code for generating problems of arbitrary singularity degree

IPmaxdetGN - main workhorse of our algorithm, Gauss-Newton path following

MakeProblemLevent - creates problems of arbitrary singularity degree by modifying Levent's example

MakeProblemTanigawa - creates the cycle completion problem with singularity degree >= 2 according to Tanigawa's example

matrix2latex - converts matrix into latex table (from internet)

precon - preconditioning routing that identifies exposing vectors in Ax=b

runbasic - main script to run algorithm

ssMat, ssvec, vec - implementations of sMat, svec, and vec