[求助] 关于拉式变换

2楼: Originally posted by feixiaolin at 2013-10-21 19:13:56
取 log(x)=t，x=exp(t)，即可求laplace变换。

4楼: Originally posted by feixiaolin at 2013-10-21 21:25:48
Y=3.2-0.28*x-0.02*x/log(x)，
取 log(x)=t，x=exp(t)，
Y=3.2-0.28*exp(t)-0.02*exp(t)/t，
即可求Y关于 t 的laplace变换。

5楼: Originally posted by lhygood at 2013-10-21 21:49:37
谢谢回复，请问这么做对吗？怎么验证拉氏变换对不对呢？谢谢，方便的话加2675788857，谢谢了。...