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uncertainties モジュールを使った誤差の伝播の計算

uncertainties という Python のモジュールを使うと、誤差を考慮した計算が 手軽にできるようだと知った。誤差の伝播も計算してくれるので、自分で行っ た計算の結果の答え合わせにもよいかもしれない。


% python3.9
Python 3.9.12 (main, Apr  4 2022, 09:16:48) 
[GCC 10.3.0] on netbsd9
Type "help", "copyright", "credits" or "license" for more information.
>>> from uncertainties import ufloat as uf
>>> a = uf (15.0, 3.0)
>>> print (a)
15.0+/-3.0
>>> b = uf (25.0, 4.0)
>>> print (b)
25+/-4
>>> c = a + b
>>> print (c)
40+/-5
>>> exit ()

fig_202204/uncertainties.png


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