step160=[0 0 0 0.001 0.004 0.01 0.018 0.032 0.052 0.083 0.121 0.16 0.199 0.244 0.296 0.347 0.401 0.463 0.531 0.595 0.663 0.739 0.814 0.894 0.982 1.064 1.144 1.231 1.305 1.402 1.473 1.565 1.622 1.761 1.854 1.932 2.014 2.126 2.225 2.257 2.371 ];
a=[0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 ];
plot(a,step160);
