Cenozoic Updated 2025-07-16
Cheap robot Updated 2025-07-16
Cerebras Updated 2025-07-19
Champaign-Urbana metropolitan area Updated 2025-07-16
It is quite comical that two separate towns were founded one next to the other right in the middle of nowhere. And that both have so slightly weird names.
Change of basis Updated 2025-07-16
where:
Change of basis matrix Updated 2025-07-16
The change of basis matrix is the matrix that allows us to express the new basis in an old basis:
Mnemonic is as follows: consider we have an initial basis . Now, we define the new basis in terms of the old basis, e.g.:
which can be written in matrix form as:
and so if we set:
we have:
The usual question then is: given a vector in the new basis, how do we represent it in the old basis?
The answer is that we simply have to calculate the matrix inverse of :
That is the matrix inverse.
Charles Bukowski Updated 2025-07-16
Video 1.
Something for the touts
. Source.
We have everything and we have nothing
And some men do it in churches
And some men do it by tearing butterflies in half
and some men do it in Palm Springs
Laying it into butter-blondes with Cadillac souls
This stuck to Ciro's mind for some reason. His brain just keeps completing the sentence, over and over:
Ciro Santilli does it in his computers and in his labs!
Charles Simon Updated 2025-07-16
Basically it looks like the dude got enough money after selling some companies, and now he's doing cooler stuff without much need of money. Not bad.

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