“I was appalled to find that the mathematical notation on which I had been raised failed to fill the needs of the courses I was assigned, and I began work on extensions to notation that might serve. In particular, I adopted the matrix algebra used in my thesis work, the systematic use of matrices and higher-dimensional arrays (almost) learned in a course in Tensor Analysis rashly taken in my third year at Queen's, and (eventually) the notion of Operators in the sense introduced by Heaviside in his treatment of Maxwell's equations.”
![“[I was advised] to read Jordan's 'Cours d'analyse'; and I…” quote by Anonymous](https://sms4smile.com/quotes/img-quotes/33d/anonymous-1_astonishment_i-was-advised-to-read-jordan-s-cours-d-a_1076240.jpg)
