All Questions
2 questions
7
votes
1
answer
2k
views
Determinant and Inverse of a Toeplitz matrix
Let $T(n,k)$ be a $n \times n$ symmetric Toeplitz matrix, where all the entries of first $k$ super-diagonal (and sub-diagonal), last $k-1$ super-diagonal (and sub-diagonal) are ones, and rest of the ...
2
votes
1
answer
3k
views
Inverse of an AR(1) or Laplacian (?) or Kac-Murdock-Szegö matrix
My current problem involves having an exact (symbolic) inverse of a scaled AR(1) matrix for $n$-dimension. (I don't know what this matrix would be called in general; I'm sure it is used often.) This ...