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Mar 21, 2019 at 16:12 comment added DanielSank @Chieron yeah good point. I should have picked a different function that doesn't already have a short name :-)
Mar 21, 2019 at 13:35 comment added Chieron by the way, the function f(x) = sinx(x) / x is called sinc. But the point stands for anything more complicated. Good explanation overall.
Mar 21, 2019 at 5:52 comment added Aaron I think it's also important to point out that this form makes the notion of an integral as a functional more apparent, ie an integral is a function that takes a function and returns a number.
Mar 21, 2019 at 5:34 history edited DanielSank CC BY-SA 4.0
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Mar 21, 2019 at 4:04 vote accept Chang Hexiang
Mar 21, 2019 at 3:56 history edited DanielSank CC BY-SA 4.0
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Mar 21, 2019 at 3:32 history edited DanielSank CC BY-SA 4.0
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Mar 21, 2019 at 3:28 history answered DanielSank CC BY-SA 4.0