作者:Tyler Knudson 10 年以前
1301
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Homogeneous
Plug in those Eigenvalues
Obatin Eigenvectors
Form the General Solution
Using the C.E's, Find its roots
Complex Imaginary Roots
Solution: y(t)=e^(At)(c1cosBt+c2sinBt)
Repeated Roots
Solution: y(t)=c1e^(r1t)+c2te^(r1t)
Real Roots
Solution: y(t)=c1e^(r1t)+c2e^(r2t)
Then Find the Particular Solution
Variation of Parameters Method
Undetermined Coefficeint Method
Take the Inverse of the Laplace
Seperable?
No: Can you use the Integrating Factor Method?
Integrating Factor Method
What is the Integrating Factor?
Multiply by the Integrating Factor
Finally, Solve for Y
Yes: Integrate and solve for Y