Two vectors under matrix multiplication. SVG redraw of original image.
<a href="https://en.wikipedia.org/wiki/User:Jakob.scholbach" class="extiw" title="en:User:Jakob.scholbach">en:User:Jakob.scholbach</a> (original); <a href="//commons.wikimedia.org/wiki/User:Pbroks13" title="User:Pbroks13">Pbroks13</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Pbroks13" class="mw-redirect" title="User talk:Pbroks13">talk</a>) (redraw)
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<a href="https://en.wikipedia.org/wiki/Image:Matrix_multiplication.png" class="extiw" title="en:Image:Matrix multiplication.png">en:Image:Matrix multiplication.png</a>