this post was submitted on 22 May 2024
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[–] Feathercrown@lemmy.world 11 points 6 months ago* (last edited 6 months ago) (2 children)

Am I missing something or does the top equation knock out half the terms? It simplifies to just F = delta + deriv. of u wrt t, right?

(Assuming p =/= 0)

Wait nope some of those ps and us are different. Oh no

[–] mexicancartel@lemmy.dbzer0.com 4 points 6 months ago (1 children)

Also its not delta, its upside down delta called "Del" (or nabla) which is an operator like derivative but in vector feilds

[–] Feathercrown@lemmy.world 6 points 6 months ago

This deal keeps getting worse every day 😭

[–] Wizard_Pope@lemmy.world 3 points 6 months ago

Because some of those are rho and mu