https://cis.temple.edu/~latecki/Courses/CIS2166-Fall16/Lectures/MatrixAlg1.pdf
A matrix is a rectangular array of numbers or other mathematical objects, for which operations such as addition and multiplication are defined. Most of this article focuses on real matrices, i.e., matrices whose elements are real numbers. For instance, this is a real matrix: The numbers, symbols or expressions in the matrix are called its entries or its elements. The horizontal and vertical ...
https://www.tuj.ac.jp/icas/events/2016-01-09
This lecture invites you to explore the profound world of Noh, one of Japan’s most ancient and revered performing arts, where the boundaries between performance, philosophy, and spirituality dissolve. You'll get to know Zeami, the legendary playwright whose ideas about performance still resonate after 600 years.