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osanseviero
 one year ago
Multi variable calculus. What function R^2 > R has no critical points?
osanseviero
 one year ago
Multi variable calculus. What function R^2 > R has no critical points?

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osanseviero
 one year ago
Best ResponseYou've already chosen the best response.0So I need to write something like f(x,y) = 3xy +x^2 but when I derivate I should not be able to solve them, right?

Empty
 one year ago
Best ResponseYou've already chosen the best response.1Well there are multiple ways you could do this, you can just combine functions that normally don't have critical points on R>R, for instance f(x)=x is just a line, no critical points, so you could make a plane, f(x,y)=x+y which will have no critical points either.

osanseviero
 one year ago
Best ResponseYou've already chosen the best response.0Thanks. I just noticed it. Used e^x
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