一些思想介绍 假设你有一个简单的问题,如: =xy,其中,v(0)=0 对于应用,你所感兴趣的是从t=0积分到t=lV的特性,对于这个问题,结果是 众所周知的 v(t)=voe (2) 但是,对于我们所关心的大多数问题,其精确的结果是不知道的,对于这种
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Previously saw (in Unit 19)that a multi degree-of-freedom system has the same basic form of the governing equation as a single degree-of-freedom system The difference is that it is a matrix equation
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