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j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Trying to mass-delete old emails from gmail is like pulling teeth 😖
Now I remember why I postponed it for years.

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Reductionism is easy!
/s

https://xkcd.com/2933/

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

What do Hollow-Earth believers think about Flat-Earth believers? And vice-versa? 🤔

jhertzli,

@j_bertolotti I once came across a toot from a hollow-earth person responding to flat-earther but it doesn't seem to be available.

My comment at time is here: https://liberdon.com/@jhertzli/106348208118783899

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Jack Dorsey: "The problem with Bluesky is that it has too much moderation" (paraphrased by me)

🤦‍♂️ 🤦‍♂️ 🤦‍♂️ 🤦‍♂️
Help me facepalm, 'cause I am out of hands.

https://www.engadget.com/jack-dorsey-claims-bluesky-is-repeating-all-the-mistakes-he-made-at-twitter-234326121.html?src=rss

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

People studying brains: "We found no correlation between number of neurons and IQ."*

People talking about AI: "If we just add more nodes to our deep neural network we are surely going to create a super-mind!"

SvenGeier,
@SvenGeier@mathstodon.xyz avatar

@j_bertolotti @apodoxus Dunno - to within some range, surely there's some sort of trade between the number of neurons used and the cleverness of their arrangement. I highly doubt that LLMs are anywhere near as well-organized as the human brain, so they may well be in the realm where "more neurons" still gives huge advantages. 🤷‍♂️ At some point there's a diminishing return, and then we'll need to talk about "better structure" (which I, personally, would guess means "more complex structure" - I'm staggered by how 𝑝𝑟𝑖𝑚𝑖𝑡𝑖𝑣𝑒 the current crop of AI really are) but at any one time we might well be at a point where sheer quantitative growth can still beat out real advances...

j_bertolotti,
@j_bertolotti@mathstodon.xyz avatar

@SvenGeier
Maybe, but a mosquito with its ~220,000 neurons can navigate space better than any current neural network can.
@apodoxus

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Out-of-context 6 y/o: "We are going to ignore the facts."

dougmerritt,
@dougmerritt@mathstodon.xyz avatar

@j_bertolotti
Also in-context politicians.

TonyVladusich,
@TonyVladusich@mathstodon.xyz avatar

@j_bertolotti

your 6 yo is gonna like this world very much

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Imagine: you make a game expecting it to do ok. It turns out to be an overnight success, with everybody loving it and your biggest problem is that you didn't expect so many people to want to play it.
Then your publisher gets greedy and makes a large chink of your playerbase super-angry.
https://www.engadget.com/what-the-heck-is-going-on-with-helldivers-2-163829512.html?src=rss

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Theorems where invented by Mathematicians to sell more coffee.

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Every time I see a "xyz explained without Math" kindnof post, I always wish more people wrote explainers WITH the Math, without skipping 90% of it, so that the explanation is actually understandable without having to rely on leaps of faith.

lisyarus,
@lisyarus@mastodon.gamedev.place avatar

@j_bertolotti +++++

To me it's like a "making pasta carbonara without ingredients" cooking post.

j_bertolotti,
@j_bertolotti@mathstodon.xyz avatar

@lisyarus Explainers without Maths have their role and place. But they are the beginning of the understanding process, not the end.

BTW: Same reason I actively dislike cooking book that tell you what to do without ever explaining why.

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

Dear wannabe barista: there is a difference between "warm milk" and "scalding milk". The difference is especially important when you are preparing it for a kid.

christianp,
@christianp@mathstodon.xyz avatar

@j_bertolotti I have yet to ask for warm milk for my kids and get anything close to cool enough to drink. It must be a machine problem or a policy problem. I can't believe everyone is incompetent

j_bertolotti,
@j_bertolotti@mathstodon.xyz avatar

@christianp It is sheer lazyness. The "warm up milk" function on a coffee machine is meant to make the foam for a cappuccino, so it is VERY hot. To make it at a decent temperature you need to mix it with cold milk, but that requires extra time/thinking, and thus it is often skipped.

j_bertolotti, to godot
@j_bertolotti@mathstodon.xyz avatar

Keeping in mind I don't really have the time or mental space to truly learn it, and I definitively don't have the skills necessary to actually make a game: any advice for a beginner tutorial?

K_REY_C,
@K_REY_C@social.coop avatar
j_bertolotti,
@j_bertolotti@mathstodon.xyz avatar

@K_REY_C Interestingly, the one I started watching while waiting for advices 😃

j_bertolotti, (edited ) to random
@j_bertolotti@mathstodon.xyz avatar

Linear algebra is easy.
Just remember that real numbers are vectors, polynomials are vectors, integrable functions are vectors, matrices are vectors, tensors are vectors, and so on.
As I said, easy.

lisyarus,
@lisyarus@mastodon.gamedev.place avatar

@j_bertolotti Also you can form tensors from any kind of vectors. So you can do things like f(x)⊗g(y) :)

jsiehler,
@jsiehler@mathstodon.xyz avatar

@j_bertolotti

  1. You can multiply vectors by scalars.
  2. You cannot multiply vectors by other vectors.
  3. Scalars are vectors.
j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

This one is way above my level, but I'd love to hear the opinion of @johncarlosbaez 🙂
https://arxiv.org/abs/2405.00071

johncarlosbaez,
@johncarlosbaez@mathstodon.xyz avatar

@j_bertolotti - thanks, I'll check it out! Kind of amazing this is still being studied now... but I like that. (The formula proposed here looks incompatible with special relativity, which is not promising.)

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

#FediHelp
Dear hive mind: is there a simple to use, and decently stable macroblogging platform on the Fediverse that one can use without having to self-host?
Thank you

p.s.
Main big requirement is the possibility to categorize the posts so that they are easy to find even after some time has passed.
Second big requirement is that it can't be a beta or a personal project that is likely to be abandoned in an year.

ab78702,
@ab78702@ieji.de avatar
j_bertolotti,
@j_bertolotti@mathstodon.xyz avatar

@ab78702 Thanks, but it feels that approach requires javascript coding, and I have neither the time, nor the mental space to learn js.

j_bertolotti, to random
@j_bertolotti@mathstodon.xyz avatar

"Non-commutative Math is the least weird idea in history!"
(by @ZachWeinersmith )
https://www.smbc-comics.com/comic/commute-2

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