/sci/ - Science & Math

>be PhD working on funky field
>after uni go to risk management job at bank and extend and maintain Visiual Basic forecasting simulators
I shiggydiggi

For practical purposes, stochastic integration theory was exhausted 10 years after it arrived. The pure math - unless you want to find semi-classical limits of some quantum field theory - is just trying to find the right spaces that the fragile object it's made from can inhabit.

she said size don matter

>>9369498
>>9369509
some heuristics:

(x, (M X) y) = (x (M X)^T, y) = (x X^T M^T, y)

so we need to argue that M^T = M.

>(X^T * X)^T = X^T (X^T)^T = X^T X
so c·X^T * X is symmetric, as well as powers of it

1/(1-S)=1+S+S^2+... is then symmetric too

done

No, half of the population has above average IQ.

>American Psycho
>The Matrix
>Wayne's World

What's the most entertaining and memorable movie directed by women?