diff_h 実行例
help出力 diff_h.py --help
Numerical differentiation using two-point forward difference method Write to [diff_h.csv] x : f(x) df/dx h=1.0 h=0.1 h=0.01 h=0.001 h=1e-06 0.000: 0.000000 0.000000 1.00000000 0.01000000 0.00010000 0.00000100 0.00000000 0.100: 0.001000 0.030000 1.33000000 0.07000000 0.03310000 0.03030100 0.03000030 0.200: 0.008000 0.120000 1.72000000 0.19000000 0.12610000 0.12060100 0.12000060 0.300: 0.027000 0.270000 2.17000000 0.37000000 0.27910000 0.27090100 0.27000090 0.400: 0.064000 0.480000 2.68000000 0.61000000 0.49210000 0.48120100 0.48000120 0.500: 0.125000 0.750000 3.25000000 0.91000000 0.76510000 0.75150100 0.75000150 0.600: 0.216000 1.080000 3.88000000 1.27000000 1.09810000 1.08180100 1.08000180 0.700: 0.343000 1.470000 4.57000000 1.69000000 1.49110000 1.47210100 1.47000210 0.800: 0.512000 1.920000 5.32000000 2.17000000 1.94410000 1.92240100 1.92000240 0.900: 0.729000 2.430000 6.13000000 2.71000000 2.45710000 2.43270100 2.43000270 1.000: 1.000000 3.000000 7.00000000 3.31000000 3.03010000 3.00300100 3.00000300 1.100: 1.331000 3.630000 7.93000000 3.97000000 3.66310000 3.63330100 3.63000330 1.200: 1.728000 4.320000 8.92000000 4.69000000 4.35610000 4.32360100 4.32000360 1.300: 2.197000 5.070000 9.97000000 5.47000000 5.10910000 5.07390100 5.07000390 1.400: 2.744000 5.880000 11.08000000 6.31000000 5.92210000 5.88420100 5.88000420 1.500: 3.375000 6.750000 12.25000000 7.21000000 6.79510000 6.75450100 6.75000450 1.600: 4.096000 7.680000 13.48000000 8.17000000 7.72810000 7.68480100 7.68000480 1.700: 4.913000 8.670000 14.77000000 9.19000000 8.72110000 8.67510100 8.67000510 1.800: 5.832000 9.720000 16.12000000 10.27000000 9.77410000 9.72540100 9.72000540 1.900: 6.859000 10.830000 17.53000000 11.41000000 10.88710000 10.83570100 10.83000570 2.000: 8.000000 12.000000 19.00000000 12.61000000 12.06010000 12.00600100 12.00000600
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