Talk:Consistent and inconsistent equations

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The 3rd example under the section "Exactly determined and consistent", consisting of 3x equations of degree 3, but only 2 of them of which are independent, doesn't strike me as "exactly determined". Surely it is underdetermined right??

I'm somewhat new to these concepts, so can't be sure (but this Wikipedia article isn't really helping).

Could someone who has a thorough grasp of this topic please include specific, exacting definitions of the terms underdetermined, exactly determined and overdetermined ahead of the examples please? But not just definitions that apply to linear systems, but instead, general definitions that apply to non-linear systems of equations too?

Cheers clever people! :)

217.35.238.216 (talk) 21:09, 21 May 2019 (UTC)Reply