# Tagged Questions

44 views

90 views

### Matrix of integers to boolean matrix

My Question is about converting a matrix of numbers, say each row is an item and each column is a feature of the item. The features are currently integers but I want to convert the feature ...
333 views

### A matrix w/integer eigenvalues and trigonometric identity

Any intuition and/or rigorous arguments on the proofs of the following statements would be appreciated: Let $n$ be a natural number. (a) Consider the following Toeplitz/circulant symmetric matrix: ...
I have a vector of binary variables, $s$ representing a state at some point in time, and a transformation matrix $T$. The initial state is $s_0$. $s_n = Ts_{n-1}$ Given a number of transformations, ...
### Is there an $O(n^2)$ test to determine if an $n \times n$ Boolean matrix $B$ has an inverse?
D.E. Rutherford shows that if a Boolean matrix $B$ has an inverse, then $B^{-1}= B^T$, or $BB^T=B^TB=I$. I have two related questions: The only invertible Boolean matrices I can find are ...