reblog with a compliment for the person you reblogged this from
Frank is silly and funny >:)
You’re like a kid who’s really into animals
Frank is very insightful and fun. :)
You’re the kind of weird guy who just seems right
frank is a cool robot!
Frank is silly and funny >:)
You’re like a kid who’s really into animals
Frank is very insightful and fun. :)
You’re the kind of weird guy who just seems right
frank is a cool robot!
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#frank fandomAs per my last clay tablet,
CCing Ibbi-Ilabrat on this one just to make sure we’re all on the same page!
This consultation with my viziers could have been a clay tablet
Today I learned about the Valais Blacknose sheep. I think I’m dead of cute.
why does multiplying two imaginary numbers equal a negative number?
>do a quarter turn
>do a quarter turn again
>wtf i'm facing the opposite direction.
i = 90° directionality on a number line still the greatest math trick insight I ever learned.
the diract delta function really isnt a function though. like its fine all our other words for that sort of general type of thing are more syllables. and sometimes its helpful to think of it as a function. but theres no like, even intuitive conception of a function that includes the dirac delta. at least with the properties wed like it to have
when youre doing calculus it feels like a function. You can differentiate it, integrate it, take a fourier transform. Just cant evaluate it
i guess basically i think there's two meanings of function, one is like "the thing we do calculus on", and the other is a synonym for a mapping. And historically, how I think it went is that the graph of a function is a mapping, and for a while people didn't really think hard about this stuff. And maybe the weierstrass function is an important moment—showing that a function can't quite be "thing you do calculus to". So then functions were formalized as mappings and ended up as synonymous, and now you can use "function" to refer to mappings even when you can't do calculus in that setting. But the preformal calculus usage survived. And it's something like "number", a vague term that doesn't pick out a particular formal structure (such as rational vs reals vs hyperreals), but associated to calculus the way number is associated to arithmetic