Sorta not really related but Freya's video on splines ("The Continuity of Splines") is a virtually perfect resource if you're interested in learning about... well... splines.

[–] Makeshift@lemmy.dbzer0.com 8 points 2 years ago

wow I wish we learned this kind of stuff in school

[–] enbiousenvy@lemmy.blahaj.zone 8 points 2 years ago

I think gamedev or I guess graphics programming, visualize maths pretty well. I literally quit high school because I could never make any progress in several areas, including math class. But once I read/watch more about gamedev, programming, graphics programming on my own, I got to understand many mathematical terminologies better than I have ever been taught in any school.

[–] lasagna@programming.dev 7 points 2 years ago

Invented in the 50s, Fortran = FORmula Translating language. It was basically created to solve this sort of problem.

[–] UserNotFound@lemmy.world 7 points 2 years ago (7 children)

I don't know her, so maybe my question is stupid, but does she explain math without using code? I, honestly, am too stupid to programing, I don't understand it. I understand summary, not the second one

[–] radix@lemm.ee 3 points 2 years ago

I don't know anything about the original post author, but product notation is the same as summation notation except that instead of adding each new term to the running total, you're multiplying each new term. You don't have to know programming to see from the code samples that the only difference in the code is += vs *= (well, maybe it would help to know that * means multiply; I honestly dont rember how common-knowledge that is).

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[–] Duchess@yiffit.net 6 points 2 years ago

i still don't understand but thanks

[–] radix@lemm.ee 6 points 2 years ago (4 children)

The biggest difference (other than the existence of infinity) is that the upper limit is inclusive in summation notation and exclusive in for loops. Threw me for a loop (hah) for a while.

[–] affiliate@lemmy.world 3 points 2 years ago (1 children)

i thought this was pretty weird too when i found out about it. i’m not entirely sure why it’s done this way but i think it has to do with conventions on where to start indexing. most programming languages start their indexing at 0 while much of the time in math the indexing starts at 1, so i=0 to n-1 becomes i=1 to n.

[–] radix@lemm.ee 5 points 2 years ago (1 children)

My abstract math professor showed us that sometimes it's useful to count natural numbers from 1 instead of 0, like in one problem we did concerning the relation Q on A = N × N defined by (m,n)Q(p,q) iff m/n = p/q. I don't hate counting natural numbers from 1 anymore because of how commonly this sort of thing comes up in non-computer math contexts.

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[–] spacesweedkid27@lemmy.world 5 points 2 years ago (1 children)

Ok now try infinite for loops

[–] darcy@sh.itjust.works 8 points 2 years ago (4 children)

while

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[–] fidodo@lemm.ee 5 points 2 years ago (4 children)

Wouldn't reducer be more precise?

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[–] SmoothSurfer@lemmy.ml 4 points 2 years ago

freya is not a random internet people

[–] AnarchistArtificer@slrpnk.net 3 points 2 years ago (1 children)

Oh cool, I know who this person is, she did a couple of amazing videos on Bezier curves and splines

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