solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设特解u= A* te^t(In t- B),然后带入求得常数ab 值得？

来源：学生作业帮助网编辑：六六作业网时间：2024/11/27 10:24:16

solveadifferentialequation!Inahurryy''''-2y''+y=e^t*t^-1特解怎么求？是设特解u=A*t*e^t*(Int-B),然后带入求得常数ab值得？solvea

solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设特解u= A* t*e^t*(In t- B),然后带入求得常数ab 值得？
solve a differential equation!In a hurry
y''-2y'+y=e^t * t^-1
特解怎么求？是设特解u= A* t*e^t*(In t- B),然后带入求得常数ab 值得？

solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设特解u= A* t*e^t*(In t- B),然后带入求得常数ab 值得？
这个题推荐使用拉普拉斯变换进行求解
两边同时取拉普拉斯变化,再利用初始条件
求出Y=L(y)
在利用反变换求出y
应该学了吧
自己算算吧

先解对应齐次方程y''-2y'+y＝0的解
它的解是y＝C1e^t+C2te^t，c1，c2是2个常数
然后求出原方程的一个特解，再用特解加上齐次方程的解即可
但是特解我不会求，没学好

通解是y＝C1e^t+C2te^t
特解是t*(lnt-1)*e^t

Solve the differential equations: differential differential solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设特解u= A* t*e^t*(In t- B),然后带入求得常数ab 值得？ solve a crime 英语翻译AbstractThis chapter introduces ordinary differential equation (ODE) and its applications in finance and economics research.There are various approaches to solve an ordinary differential equation.Among them,the most commonly used approach differential pressure kneeling differential Only then_____the big problem A:you will solve B:solve will you C:will you solve D:will solve you 翻译 this equation can be rewritten as a system of coupled first order differential equations trac lok differential rear differential pressure switch是什么意思 differential inclusion是什么意思 differential impedance是什么意思 differential association是什么意思 differential expression是什么意思 differential pressure是什么意思 differential pressure switch是什么意思

solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设 特解u= A* t*e^t*(In t- B),然后带入求得常数ab 值得？

solve a differential equation!In a hurryy''-2y'+y=e^t * t^-1特解怎么求？是设特解u= A* te^t(In t- B),然后带入求得常数ab 值得？