condition number of a matrix with diagonal ones and constant else.
86721
Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal
29788
Eigenvalues of a matrix whose square equals its transpose
5616
How can I prove the IFF condition for this group of matrices?
58476
Why can a matrix whose kth power is I be diagonalized?
157899
Matrix problem similar to Problem 3, SEEMOUS 2019
115296
Under what conditions does a matrix $A$ have a square root?
70092
Determine the number of possible values for $\det(A)$, given that $A$ is an $n \times n$ matrix with real entries such that $A^3 - A^2 -3A +2I=0$.
31326
Number of $(0,1)$ $m\times n$ matrices with no empty rows or columns
60231
Number of equivalence classes of matrices under switching rows and columns
105988
Find the uniform lower bound of the smallest eigenvalue of a certain matrix
97487
How to prove whether a matrix has rank $1$
68132
Small positive eigenvalues found for a negative definite matrix
139317
If $A$ is a complex matrix of size $n$ of finite order then is $A$ diagonalizable ?
85845
Matrix with zeros on diagonal and ones in other places is invertible
136643
Continuity of eigenvalues and spectral radius for a general matrix
58274
creating a diagonal matrix with a variable amount of parameters
98631
Postive-semidefiniteness of matrix with entries $1/(a_i+a_j)$