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(Inspired by Reddit post of the last month)

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[-] CanadaPlus@lemmy.sdf.org 8 points 1 year ago

I get the feeling you haven't solved many.

[-] jbrains@sh.itjust.works 5 points 1 year ago

What a curious and needlessly judgmental reply!

[-] CanadaPlus@lemmy.sdf.org 3 points 1 year ago* (last edited 1 year ago)

No judgement, but you should know it's not that simple. You can't just pull out your calculator and add together an uncountably infinite collection of values one-by-one.

I mean, you could add together a finite subset of the values, which turns out to be the only practical way fairly often because a symbolic solution is too hard to find. You don't get the actual answer that way, though, just an approximation.

The actual symbolic approaches to integrals are very algebra-heavy and they often require more than one whiteboard to solve by hand. Blackpenredpen "math for fun" on YouTube if you want to see it done at peak performance.

[-] hughperman@sh.itjust.works 1 points 1 year ago

OP was surely joking in the first post

[-] CanadaPlus@lemmy.sdf.org 1 points 1 year ago

Huh. If that's the case, I totally missed it. Integrals sounded a lot simpler to me before I had to actually solve them, too, and that's where I assumed OP was coming from. A /s would have helped.

[-] Magnetar@feddit.de 2 points 1 year ago

I mean they're right, Leibniz used a modified s for summa, sum. And an integral is just a sum, an infinite sum over infinitesimal summands, but a sum nevertheless.

[-] CanadaPlus@lemmy.sdf.org 1 points 1 year ago

Yes, they are right about that being the general concept. I only take issue with the implication that it's equally simple.

this post was submitted on 16 Aug 2023
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