added solution + second exercise
authorhackbard <hackbard@sage.physik.uni-augsburg.de>
Mon, 22 Oct 2007 16:26:08 +0000 (18:26 +0200)
committerhackbard <hackbard@sage.physik.uni-augsburg.de>
Mon, 22 Oct 2007 16:26:08 +0000 (18:26 +0200)

No differences found