Eigenvalue and EigenVector

Ref:

• https://www.youtube.com/watch?v=T8dPpuc8YN8
• http://tutorial.math.lamar.edu/Classes/DE/LA_Eigen.aspx
• http://www.easy-math.net/eigenvalue-and-eigenvector/ 
• https://math.stackexchange.com/questions/23312/what-is-the-importance-of-eigenvalues-eigenvectors

Eigen Vector: Eigenvector is one kind of vector that's axis is not change during linear transformation. Eigenvector is associated with eigenvalue.



fully uderstanding the eigen vector and eigen value please see this vedio:

https://www.youtube.com/watch?v=PFDu9oVAE-g&list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab&index=15&t=0s

1.  unique vector 
2. then transform to another ventor 
3.