query: $A= \begin{bmatrix}-1 & 1 & 1 &1\\ 1 & -1 & 1 &1\\ 1 & 1 & -1 &1\\ 1 & 1 & 1 &-1\\ \end{bmatrix}$ $A$ is a symmetric matrix.Find its eigenvalues?
positive_passages.docid: 2271
positive_passages.text: Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix
negative_passages.docid: 149086
negative_passages.text: Determining $\mbox{tr}(A)$ and $\det(A)$ as functions of the eigenvalues of a matrix
negative_passages.docid: 141628
negative_passages.text: How did the equation $|A- \lambda I| = 0$ came for finding Eigen values of a Matrix
negative_passages.docid: 97733
negative_passages.text: Can it be determined that the sum of the diagonal entries, of matrix A, equals the sum of eigenvalues of A
negative_passages.docid: 52260
negative_passages.text: Diagonalization and eigenvalues
negative_passages.docid: 110200
negative_passages.text: Determinant of a Special Symmetric Matrix
negative_passages.docid: 5058
negative_passages.text: Eigenvalues of the rank one matrix $uv^T$
negative_passages.docid: 27778
negative_passages.text: Eigenvalues of a real skew symmetric matrix
negative_passages.docid: 126586
negative_passages.text: Change of basis matrix for $B_2\{(1,-1,0),(1,0,-1)\}$ to $B_1\{(0,1,-1),(1,1,-2)\}$
negative_passages.docid: 110086
negative_passages.text: Let $A$ be an $m \times n$ matrix. Show $A^TA$ and $AA^T$ have the same eigenvalues
negative_passages.docid: 37252
negative_passages.text: How can I show that $\begin{pmatrix} 1 & 1 \\ 0 & 1\end{pmatrix}^n = \begin{pmatrix} 1 & n \\ 0 & 1\end{pmatrix}$?
negative_passages.docid: 146316
negative_passages.text: what is no. of positive eigen value of symmetric matrix A with some given relationship
negative_passages.docid: 122951
negative_passages.text: If the $\det(A)=0$ why does the matrix $A$ have an eigenvector?
negative_passages.docid: 151088
negative_passages.text: Finding Matrix A from Eigenvalues and Eigenvectors (Diagonalization)
negative_passages.docid: 48113
negative_passages.text: Find a basis for the vector space of symmetric matrices with an order of $n \times n$
negative_passages.docid: 42799
negative_passages.text: Let $x$ and $y$ be two non-zero $n × 1$ vectors. If $y^T$ denotes the transpose of $y$, what are the eigenvalues of the $n × n$ matrix $xy^T$
negative_passages.docid: 13971
negative_passages.text: find spectrum matrix A