
What is the importance of eigenvalues/eigenvectors?
Feb 23, 2011 · 8 Eigenvalues and eigenvectors are central to the definition of measurement in quantum mechanics Measurements are what you do during experiments, so this is obviously …
How to intuitively understand eigenvalue and eigenvector?
Eigenvalues and eigenvectors are easy to calculate and the concept is not difficult to understand. I found that there are many applications of eigenvalues and eigenvectors in multivariate analysis.
Are matrices with the same eigenvalues always similar?
Edit: If $A$ has $n$ distinct eigenvalues then $A$ is diagonalizable (because it has a basis of eigenvalues). Two diagonal matrices with the same eigenvalues are similar and so $A$ and …
Real life examples for eigenvalues / eigenvectors
There are already good answers about importance of eigenvalues / eigenvectors, such as this question and some others, as well as this Wikipedia article. I know the theory and these …
All tricks to find eigenvalues in $3\times 3$ in a faster way?
Apr 19, 2021 · The fastest way to compute the eigenvalues in this case is to recognize that this matrix is a rank 1 update of a multiple of the identity matrix.
Do non-square matrices have eigenvalues? - Mathematics Stack …
Apr 13, 2017 · Non-square matrices do not have eigenvalues. If the matrix X is a real matrix, the eigenvalues will either be all real, or else there will be complex conjugate pairs.
What is the difference between "singular value" and "eigenvalue"?
I am trying to prove some statements about singular value decomposition, but I am not sure what the difference between singular value and eigenvalue is. Is "singular value" just another name for
linear algebra - Invertibility, eigenvalues and singular values ...
Jan 26, 2014 · 15 I am confused about the relationship between the invertibility of a matrix and its eigenvalues. What do the eigenvalues of a matrix tell you about whether a matrix is invertible …
What are the Eigenvalues of $A^2?$ - Mathematics Stack Exchange
Oct 25, 2018 · I got your point. while in that we can modify this question for a 4×4 matrix with A has eigen value 1,1,1,2 . Then can it be possible to have 1,4,3,1/3. this time (det A)^2= (det …
What does the value of eigenvectors of a graph Laplacian matrix …
Oct 6, 2020 · If you have repeated eigenvalues ('eigenvalues with multiplicity'), then you have a choice in the basis of eigenvectors for that eigenspace and a good choice can reflect a …