multMatrix Node
https://download.autodesk.com/global/docs/maya2013/ja_jp/Nodes/multMatrix.html
earliest known version: 2013(? according to https://mayamel.tiddlyspot.com/)
- “In Video Games, The Player Never Moves (Matrix Math Explained Like This)” - youtube @JoshsHandle
timestamps: 12:37, 17:51 - https://en.wikipedia.org/wiki/Matrix_multiplication#Non-commutativity

