D Danni New member Joined Mar 11, 2019 Messages 1 Mar 11, 2019 #1 What properties of eigenvalues does a hollow symmetric positive(a_{i,j} >0 | \(\displaystyle i \neq j\) )matrix have? I struggled to reduce this task to Z-matrix and L-matrix(so I would say that there is no eigenvalue = 0 ), but I couldn't.

What properties of eigenvalues does a hollow symmetric positive(a_{i,j} >0 | \(\displaystyle i \neq j\) )matrix have? I struggled to reduce this task to Z-matrix and L-matrix(so I would say that there is no eigenvalue = 0 ), but I couldn't.