高级计算器SymPy

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import sympy
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from sympy.abc import x
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sympy.plot(x*3+2,(x,-10,10))

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import sympy
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from sympy.abc import x
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a = sympy.solveset(sympy.Eq(4 / x - 1 / (x - 1), 1), x, domain=sympy.S.Reals)
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print(a)