readme array1d.h array1d.out array1d.cpp array2d.h array2d.cpp array2d.out matrix.h matrix.out matrix.cpp diag.cpp diag.h diag.out tridiag.cpp tridiag.out tridiag.h lower.h lower.out lower.cpp smatrix.h smatrix.out smatrix.dat smatrix.cpp matnodes.h lsmatrix.out lsmatrix.dat lsmatrix.h lsmatrix.cpp