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方程解取正实解问题。
有两点修改： 1. 你只需要正实根，所以，对solve函数可以加一个 'Real' 参数，限定只求实根， 2. 在 x 为实根的前提下，用x > 0来才能取出正的实根（如果x为复数，这个判断并不能排除复数） syms p1 p2 t0 t2 ...
3 years ago | 0
| accepted
