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另一类微分函数方程

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青青子衿 Posted at 2013-11-15 18:22:54 |Read mode
$f'(x) =f(\frac{x}{2})$
$f'(x) =f(1-\frac{x}{2})$
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icesheep Posted at 2013-11-16 02:04:09
你在专门研究这个吧。
解的结构,或者说解空间的结构弄不出来,
得到了特征解也不敢说线性组合就能构成全部的解,这是问题的难点啊。

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hbghlyj Posted at 2023-2-26 23:17:54

WolframAlpha错了?

slope field f'[x]==f[x/2] WolframAlpha
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