Abstract: The well-known matrix algebraic equation of the optimal control and filtering theory is considered. A necessary and sufficient condition for its solution to yield an optimal as well as ...

We have more than 60 years of combined personal finance experience on the CNET Money Team, but we gained most of our ...

Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic ...

You scrambled up a Rubik's cube, and now you want to put it back in order. What sequence of moves should you make?

Abstract: An iterative algorithm to solve periodic Riccati differential equations (PRDE) with an indefinite quadratic term is proposed. In our algorithm, we replace the problem of solving a PRDE with ...

With the Warriors desperate to defend home court without their biggest star, head coach Steve Kerr pointed to two players he’s hoping to be part of a winning “formula” for Golden State.

We are fortunate that we can use Kishore when needed. We have 6-7 bowling options." Mumbai Indians skipper Hardik Pandya said during the time of the toss, "We don't mind batting. There's a lot of ...

That year, French mathematician Évariste Galois finally illustrated why this was such a problem—the underlying mathematical symmetry in the established methods for lower-order polynomials simply ...

And they can be calculated using a simple two-degree polynomial. "The Catalan numbers are understood to be intimately connected with the quadratic equation. Our innovation lies in the idea that if ...