Perhaps the most beautiful aspect of mathematics is that it applies to literally everything, even things that do not exist in ...

Abstract: The coupling matrix provides an immediate tool to describe a network, widely used in the context of microwave filters. While several techniques exist to obtain and manipulate the coupling ...

More information on each method is available in the escape manual for escape.matrix() and the citation links. If using these methods, users should cite the original works as well. Alternatively, ...

A SIGN of the present-day tendency of mathematical thought is in the changed character of many of the books now produced. In the last few years almost all new books in pure mathematics have ...

Abstract: In this article, we study a class of matrix functions of the combinatorial Laplacian that preserve its structure, i.e., that define matrices, which are positive semidefinite and which have ...

This version is being maintained to keep up with CRAN standards. As soon as possible a new version (with possible breaking changes) with less dependencies will be released later in 2022 or beginning ...