# Soup

 31 Reputation 24 views

## Registered User

 Name Soup Member for 5 months Seen 2 days ago Website Location Age
 Feb21 awarded ● Teacher Dec13 answered Signal model classification between two possbile candidates Dec12 revised Signal model classification between two possbile candidatesedited title Dec11 asked Signal model classification between two possbile candidates Dec11 comment How to calculate the inverse of the sum of two eigen-decomposed matricesSo we only need to inverse a matrix with the size = rank($B$), right? This is a good solution. Thank you very much! Dec7 revised How to calculate the inverse of the sum of two eigen-decomposed matricesadded 4 characters in body Dec7 comment How to calculate the inverse of the sum of two eigen-decomposed matricesWhat if $A$ or $B$ have very low rank (but do not share a large eigenspace)? Any solution for this scenario? Thanks. Dec7 revised How to calculate the inverse of the sum of two eigen-decomposed matricesadded 2 characters in body; added 8 characters in body; added 8 characters in body Dec7 awarded ● Editor Dec7 revised How to calculate the inverse of the sum of two eigen-decomposed matricesdeleted 1 characters in body; added 43 characters in body Dec7 comment How to calculate the inverse of the sum of two eigen-decomposed matricesYou are right. x is a given vector. U1 and U2 are the unitary matrices, while V1 and V2 are diagonal matrices, formed by the eigen-vectors of A and B respectively. Dec5 awarded ● Student Dec5 asked How to calculate the inverse of the sum of two eigen-decomposed matrices