diff_richardson 実行例
help出力 diff_richardson.py --help
Numerical differentiation using by Richardson extrapolation method eps for convergnece: 1e-06 Analytical values: f(1.0)=2.718281828459045 df/dx(1.0)=2.718281828459045 D00: 3.194528049465325 D01: 2.8329677996379363 D10: 2.71244771636214 diff = D[1][0] - D[0][0] = 2.71244771636214 - 3.194528049465325 = -0.4820803331031853 D02: 2.7466858816983333 D11: 2.717925242385132 D20: 2.718290410786665 diff = D[2][0] - D[1][0] = 2.718290410786665 - 2.71244771636214 = 0.005842694424524897 D03: 2.725366219803732 D12: 2.7182596658388647 D21: 2.71828196073578 D30: 2.718281826607988 diff = D[3][0] - D[2][0] = 2.718281826607988 - 2.718290410786665 = -8.584178676773746e-06 D04: 2.7200518888706746 D13: 2.718280445226322 D22: 2.718281830518819 D31: 2.7182818284518833 D40: 2.7182818284591144 diff = D[4][0] - D[3][0] = 2.7182818284591144 - 2.718281826607988 = 1.8511263633058661e-09
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