* Added matrix functions `schur`, `sylvester` and `lyap`
* Added docs for `schur`, `sylvester` and `lyap`
* Added unit tests for `schur`, `sylvester` and `lyap`
* Fixed lint and tests errors
* fixed typescript and added Matrix + Array tests
* lint fixed
* fixed example in sylvester.js doc
* Fixed docs and ci
* fixed definition of lyap and sylvester
* remark on diff defs for lyap
* rm a trailing space
Co-authored-by: Jos de Jong <wjosdejong@gmail.com>
