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What is something other people seem to grasp easily that eludes you? (lemmy.world)
submitted 2 days ago by to c/asklemmy@lemmy.world
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For me it's time signatures in music. I grew up playing instruments, played in several orchestras, etc. But no matter how many times someone tries to explain time signatures to me, it makes no sense. I don't understand why people place such importance on it. To me, notes have a pitch and a duration, maybe some dynamics. That's it. I don't understand why people try to needlessly complicate it. It doesn't give you anything.

My wife will hear a song and go "Oh neat, it's in 5/8." And I'm like "How tf do you know that, and why does it matter?"

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[–] 1 point 2 days ago (5 children)

Division is taking a plane and breaking it into equal lines. I assume when you multiply you are already giving that plane bounds because anything else wouldn't give you a result. It takes a few passes to go the other way, but your facility with powers of two can help you narrow it down quickly enough. You're just trying to find out how long the box of a certain width has to be to fit a given number of blocks.

Maybe it helps, maybe it doesn't. It's surprising how many ways people have found to achieve the same goal.

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  • [–] 2 points 2 days ago (4 children)

    yeah i understand the principle, but the issue is i have to "go through the motions" every time. i can't do a quick ballpark for division in the same way as for other arithmetics so i can't self-correct.

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  • [–] 1 point 2 days ago (3 children)

    I'm not sure if that's a familiarity issue or an intuitiveness issue. I'd say I'm very good at math, but I'm also weakest at division mentally. I think part of it is we come across the other operations more frequently in life and our brains are more tuned for them, whether that be nature or nurture. I think the only way to change that is practice.

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  • [–] 2 points 2 days ago (2 children)

    the question is where to start practising. i am absolutely terrible at most math; i can't balance an equation to save my life, i tend to get all my trig backwards, and the only thing i consistently get right for calculus is that odd-power exponentials are assymmetrical. despite that i struggled my way up to differential equations and found that annoyingly, combinatorics and boolean algebra came naturally.

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  • [–] 2 points 2 days ago (1 child)

    you are describing my experience with math almost 1:1, it's uncanny... division is unintuitive, i've re-learned calculus from scratch like four times during my school career and none of the actual math made intuitive sense, trig never clicked. i've been doing computer graphics for like 6 years now and despite trig being everywhere i still need like 30 seconds to puzzle out what sin(0) is for the thousandth time. but i aced combinatorics without even trying as soon as i heard that the funny fraction-looking thing with parentheses is called "n-choose-k", and if you give me a boolean expression with 5 levels of nested parenthesis and i can simplify it in my head in seconds.

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  • [–] 2 points 2 days ago

    i know, right?! like, a friend of mine was doing a homebrew computer project a year or so ago and had issue with some complex instruction logic in the alu or whatever, and without having done it for over a decade i just sketched up a karnaugh map and struck two terms out. i even confused myself with that one.

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