Tue, 12 Nov 2013 19:28:50 +0100 hoelzl equation when indicator function equals 0 or 1
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip