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sympyによる導関数の算出・描画

Posted at 2018-10-08

導関数算出・描画

細かい設定等は後で順々に調べていくとして、まずは一番シンプルに。

import sympy as sy

x = sy.Symbol('x')

f = (1 * x**3) + (0 * x**2) + (-2 * x) + (0)
print f

g = f.diff()
print g

sy.plot(f, g, (x, -2, 2))

実行結果

hogehoge$ python plot2.py 
x**3 - 2*x
3*x**2 - 2

参考記事

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