matrix inversion routines controlled with command set matrix xxxx command, options are names: parsed in getset, sets name #include "typmatrx.h" #include "matin1.h" #include "linpack.h" #include "dgeco.h" matin1 TypMatrx.chMatrix, "matin1 " linpack TypMatrx.chMatrix, "linpack" <== default set in zero.c veclib TypMatrx.chMatrix, "veclib " C 2D arrays are the opposite of fortran, so not Roman Catholic cr = alphabetical order