Example application of <a href="https://en.wikipedia.org/wiki/matrix_multiplication" class="extiw" title="en:matrix multiplication">matrix multiplication</a> in economics, see Pdf version for details, including source code.
<a href="//commons.wikimedia.org/wiki/User:Jochen_Burghardt" title="User:Jochen Burghardt">Jochen Burghardt</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>