User owen coutts - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-24T04:49:22Z http://mathoverflow.net/feeds/user/18736 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/78950/what-is-the-origin-of-unit-vector-notation-i-j-k What is the origin of unit vector notation? (i,j,k) Owen Coutts 2011-10-24T04:14:24Z 2011-10-24T04:52:21Z <p>What is the origin of this notation? Who coined them and for what purpose?</p>