In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a number or letter on its own, or numbers and letters ...

The remaining unknown can then be calculated. In this example both equations have \(+y\) A way to remember this is same signs subtract, different signs add. Calculate the value of the remaining ...

This concise and comprehensive treatment of the basic theory of algebraic Riccati equations describes the classical as well as the more advanced algorithms for their solution in a manner that is ...

Linear algebra has become the subject to ... it passes on to the classical topics of solving linear equations, orthogonality, linear transformations and subspaces, all clearly explained with many ...