@LottieVixen @lizardsquid @devurandom sin() is the vertical, cos() is the horizontal

@Efi @lizardsquid @devurandom i do not understand.

@LottieVixen @lizardsquid @devurandom https://mastodon.social/media/4JrXFO4Q9fJQuHE6bjo

@Efi @lizardsquid @devurandom ah this reminds me of https://jackschaedler.github.io/circles-sines-signals/

@LottieVixen @Efi @lizardsquid @devurandom hi are we talking about trig

moreover are we talking about math being hard

these are subjects i have strong opinions about and i really want to leverage my programming interests to make better teaching tools someday, because i think just having some interactive examples would help a lot

@typhlosion @LottieVixen @lizardsquid @devurandom Geogeba really helped me!!!

@typhlosion @Efi @lizardsquid @devurandom I second this, check https://jackschaedler.github.io/circles-sines-signals/ for an awesome thing :3

also erm reminds me of http://worrydream.com/LearnableProgramming/

@devurandom @lizardsquid @Efi @typhlosion

I was thinking some people find math hard (I do) but find it even harder to implement in programming, I want to make a short book on implementing and solving equations in programming.

@LottieVixen @devurandom @lizardsquid @Efi the two big problems in math programming are discretization and numeric stability

the optional super-boss tucked away in an obscure part of the world map is fast inverse square root

@typhlosion @LottieVixen @devurandom @lizardsquid *dies*

@typhlosion @devurandom @lizardsquid @Efi
I don't know what "discretization" is and is numeric stability handling infinity in finite space ?

@LottieVixen @devurandom @lizardsquid @Efi numeric stability is a problem that arises with floating point numbers where, for instance, adding a very small number (e.g. 0.00001) to a very big number (e.g. 100000) might not actually change the very big number *at all*, because of how floating-points work

so if your algorithm relies on doing that many many times, the number it gives back could be very *very very* wrong if not designed with this in mind

@typhlosion @devurandom @lizardsquid @Efi ahhhhhhh

@typhlosion @LottieVixen @devurandom @lizardsquid like, I always remember, there were these scientists trying to simulate particle interactions on the edge of a black hole
the sizes are on a >x⁶⁴ order difference, they had to invent new ways of defining numbers to do it

@LottieVixen @devurandom @lizardsquid @Efi @typhlosion math, trig and geometry in particularly, has always come pretty easily to me. Seeing other peoples problems with it has made me really interested in how to teach it with people. I think that a lot of problems with math come from inappropriate teaching methods. I have strong opinions about teaching methods that I may rant about later.

@inmysocks @devurandom @lizardsquid @Efi @typhlosion oh gosh please do <3

@LottieVixen @devurandom @lizardsquid @Efi @typhlosion you may have to wait at least until after I have a nap.

@inmysocks @LottieVixen @devurandom @lizardsquid @Efi this is what i was feeling too

on the other hand i was frustrated enough in calc 2 that i felt there had to be a better way to talk about these subjects

@Efi @LottieVixen @devurandom@cybre.space only if you draw your triangle facing a certain way lol

@Efi @LottieVixen @devurandom@cybre.space true...

but I also find derivation to be really easy <_<

@lizardsquid @LottieVixen @devurandom teasch me