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vault backup: 2025-04-02 22:01:25

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补课/多体动力学/02_sympy.md Normal file
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创建符号公式到数值计算函数
```python
expr1 = a + b - x
eval_exp1 = sm.lambdify((a, b, c), expr1)
# 此命令可以显示函数具体内容
eval_expl?
```