====== Differential Equations ====== Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party. * Linear Differential Operators by Lanczos - as all his books, useful and full of unusual ways to look at the subject. * [[https://web.williams.edu/Mathematics/lg5/Rota.pdf|TEN LESSONS I WISH I HAD LEARNED BEFORE I STARTED TEACHING DIFFERENTIAL EQUATIONS]] GIAN-CARLO ROTA The motto in this section is: //the higher the level of abstraction, the better//. Many of the [[:equations|most important equations in physics]] are differential equations. /**/ /**/