常微分方程的一个小推导
摘要:【转载请注明出处】http://www.cnblogs.com/mashiqi 2015/09/08 Today we focus on the following equation:$$u''=au, \textrm{where} (a > 0)$$Due to $a > 0$, $(u'-\sq
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posted @ 2015-09-08 22:38
I love mathematics.
posted @ 2015-09-08 22:38