this post was submitted on 07 Jan 2025
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[–] neidu3@sh.itjust.works 50 points 7 months ago* (last edited 7 months ago) (3 children)

Can someone please explain this to us smoothbrains who never finished school? I see a for-loop on the left, and some sort of integral on the right, but that's about it..

[–] themaninblack@lemmy.world 63 points 7 months ago (1 children)

Yep the left is just measuring via repeated addition of slices n times, the right is the same but the slice thinness can approach 0, and the number of times approaches infinity

[–] abigscaryhobo@lemmy.world 38 points 7 months ago* (last edited 7 months ago) (2 children)

It's basically taking the measurement of the area under a curve. The left does it in uniform chunks, and is often less accurate depending on delta x (the size of the chunks). The right effectively makes the size of the "chunks" infinitely small and gives a more accurate answer.

Simple version: Me: Close but either too much or too little potat removed. Mom: absolutely perfect with no skin and no wasted potat.

[–] AnarchistArtificer@slrpnk.net 3 points 7 months ago

Sometimes when I'm peeling potatoes, I will peel more aggressively than even the version on the left, because sometimes I want the potatoes to look pretty.

[–] Comrade_Spood@slrpnk.net 1 points 6 months ago

Thank you for the "explain it to me like I am 5" answer. I may be college educated, but that is in history. I am still basically elementary level with my math lmao

[–] Gladaed@feddit.org 7 points 7 months ago* (last edited 7 months ago)

Their technique barely gets them close to their goal, while their mother removes all of the peel, but none of the rest perfectly.

[–] iAvicenna@lemmy.world 32 points 7 months ago (1 children)

my grandma peeling potatoes

[–] AllYourSmurf@lemmy.world 9 points 7 months ago (2 children)

I’m sure that’s true, but this one went over my head. Help?

[–] iAvicenna@lemmy.world 30 points 7 months ago

this is a surface integral so the joke is (loosely): as opposed to peeling in straight strips (line integral), grandma is peeling continuously without lifting her hand

[–] rishabh@discuss.tchncs.de 13 points 7 months ago

It's a surface integral of a vector F over a surface S. I guess they are extending the joke from 1D to a 2D surface which is smoothly integrated (peeled).

[–] Pulptastic@midwest.social 14 points 7 months ago

Left is short cuts of straight lines, simple but more waste. Right is curved cuts following the profile exactly, harder to do but less waste.

[–] lath@lemmy.world 11 points 7 months ago (1 children)
[–] AnarchistArtificer@slrpnk.net 3 points 7 months ago (2 children)

Gosh, this is horrifying. I can only assume that was your intention, so congrats if so. Is this a real bird? Surely not

[–] VinesNFluff@pawb.social 4 points 7 months ago

I will not hear potoo slander in this house young lady. Or man. I don't know your gender.

Point being potoos are cute derps.

[–] lath@lemmy.world 4 points 7 months ago

Hahaha! It's a Potoo. For me, it was love at first sight. They look amazing!

Also, don't call me Shirley.

[–] cAUzapNEAGLb@lemmy.world 5 points 7 months ago

Wholesome math meme :)

[–] zarathustra0@lemmy.world 5 points 7 months ago