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/sci/ - Science & Math

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>> No.10741905 [View]
File: 19 KB, 220x339, TIMESAND___yu3i3()_jwbhbs5evyu3i3()_jwb7y0031vctrws5edrthws5ev7yhv988).jpg [View same] [iqdb] [saucenao] [google]
10741905

>>10741863
The redpill about numerical analysis is this:
When you see ridiculous integrals and wonder, "How can anyone solve that?!?!?," the answer is probably that no one ever does solve them. Tough looking integrals are usually literally unsolvable. Instead we approximate them by quadrature.

Same thing really with tough looking systems of ODEs and PDEs. Sometimes you might wonder, "How could anyone ever solve something like?!?!?" The answer is that they usually don't, and most of those systems are literally unsolvable. We just plop these equations into the Runge-Kutta approximation module.

>> No.10739473 [View]
File: 19 KB, 220x339, TIMESAND___yu3i3()_jwbhbs5evyu3i3()_jwb7y0031vctrws5edrthws5ev7yhv988).jpg [View same] [iqdb] [saucenao] [google]
10739473

>Biefeld–Brown effect
>https://en.wikipedia.org/wiki/Biefeld%E2%80%93Brown_effect

Some people say this is an ionic wind effect. Other people say it's an anti-gravity effect that government covers up with shills chanting "ionic wind" anytime someone mentions electrogravity. This effect was featured pretty prominently in pic related book, if I'm not mistaken.

https://www.youtube.com/results?search_query=Biefeld%E2%80%93Brown+effect

>>10739453
wait... You're Edison and I'm Tesla? >:-(

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