# Tagged Questions

0answers
44 views

### root of binary matrix

There is a square matrix A defined over the field GF(2). It means there are zeros and ones in its cells, xor stands for element summation, logical and - for multiplication. Is there any way to find ...
1answer
38 views

### Square root entries of matrices

How would you simplify something like this? $((\xi'\omega \xi)^{-1})^{0.5}$ where $\xi$ is a $k \times 1$ matrix, $\omega$ is a $k\times k$ square matrix. Thank you very much! Edit: Yes, though ...
2answers
2k views

5answers
367 views

### How to compute the characteristic polynomial of $A$

The matrix associated with $f$ is: $$\left(\begin{array}{rrr} 3 & -1 & -1 \\ -1 & 3 & -1 \\ -1 & -1 & 3 \end{array}\right) .$$ First, I am going to find ...
1answer
125 views

### Finding the Zeros of a Matrix-Vector Equation

Here's another matrix algebra question, sorry if I'm coming at these incorrectly, but this kind of thing really isn't my forte :( Lets say we have the equation: \$0 = -2 \mathbf{u}^{T} \mathbf{Z} ...