[理工] 工数ode

楼主: sunwaiteric (山味)   2020-01-14 16:40:34
http://i.imgur.com/yt7BQ7S.jpg
想问一下为何a选项是对的啊
答案这样子写我还是不懂
http://i.imgur.com/jbwvKi1.jpg
若c大于零y=e^-∞
若c小于零y=e^+∞
为何为任意函数?
作者: Ricestone (麦饭石)   2020-01-14 16:52:00
代回原式,那通解是假设x不为0的时候的解算singular solution

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