Do you find some mathematical activities useless?

04072018, 04:21 AM
Post: #36




RE: Do you find some mathematical activities useless?
I used to claim that the universe runs on differential equations. One of my college professors disagreed and pointed out that it runs on convolutions. He had a point!
With the way matrix math can describe multibody motion as state spaces, convolution describes all sorts of responses using (nonexistent) unit pulse inputs and other such features of Mathematics, I can see why there's belief in "The Book". Algebra, geometry, calculus and more were drudgery in school  but discovering how they represent and resolve real things (and can drastically simplify more elementary approaches) was always a terrific revelation and delight. I *do* recommend http://www.3blue1brown.com/ for some well done introductions and demonstrations of some truly elegant aspects of math that aren't very well known. 

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