amd: AMD (sparse matrix ordering routines) amd: amd: AMD is a set of routines for ordering a sparse matrix prior to amd: Cholesky factorization (or for LU factorization with diagonal amd: pivoting). There are versions in both C and Fortran. Note that amd: this software has nothing to do with AMD the company. This package amd: runs on any platform. amd: amd: amd: amd: