Skip to main content

All Questions

Filter by
Sorted by
Tagged with
91 votes
5 answers
124k views

Eigenvalues of matrix sums

Is there a relationship between the eigenvalues of individual matrices and the eigenvalues of their sum? What about the special case when the matrices are Hermitian and positive definite? I am ...
Jean-Pierre Gunman's user avatar
1 vote
1 answer
6k views

Largest eigenvalue of the sum of Hermitian matrices [closed]

Is there an expression for the largest eigenvalue of the sum of two Hermitian matrices in terms of the spectrum of the same matrices?
Benjamin's user avatar
  • 2,099