TheMatrixComputationToolboxisacollectionofMATLABM-filescontainingfunctionsforconstructingtestmatrices,computingmatrixfactorizations,visualizingmatrices,andcarryingoutdirectsearchoptimization.Variousothermiscellaneousfunctionsarealsoincluded.Thistoolboxsupersedestheauthor'searlierTestMatr