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file readme for readme for approximate minimum degree ordering routines by Timothy A. Davis (University of Florida, email: davis@cise.ufl.edu), , Patrick Amestoy, Iain S. Duff, and John K. Reid file amdatr.f for approximate minimum degree ordering of a sparse symmetric matrix , (upper bound on true degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdbar.f for approximate minimum degree ordering of a sparse symmetric matrix , (upper bound on external degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdexa.f for approximate minimum degree ordering of a sparse symmetric matrix , (exact external degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdhaf.f for approximate minimum degree ordering of a sparse symmetric matrix , ("half-and-half" degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdhat.f for approximate minimum degree ordering of a sparse symmetric matrix , (Gilbert, Moler, and Schreiber bound on external degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdpre.f for the amdpre routine is a preprocessor to amdbar. It removes dense rows , and columns from the matrix prior to ordering by amdbar and can thus , be much faster than amdbar alone. size 164k by Timothy A. Davis and Joseph L. Carmen file amdpre.ps for a technical report describing the amdpre routine by Timothy A. Davis and Joseph L. Carmen file amdtru.f for approximate minimum degree ordering of a sparse symmetric matrix , (exact true degree) by Timothy A. Davis, Patrick Amestoy, Iain S. Duff, and John K. Reid alg approximate minimum degree ordering file amdbar.m for Matlab V5 interface for amdbar.f (amdbarmex.f also needed) by Timothy A. Davis alg approximate minimum degree ordering file amdbarmex.f for Matlab V5 interface for amdbar.f (amdbar.m also needed) by Timothy A. Davis alg approximate minimum degree ordering file amdbar_demo.m for Demo for the Matlab V5 interface for amdbar by Timothy A. Davis alg approximate minimum degree ordering