(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

what can I do if I have hessian = 0? ex. function

[tex]f(x,y)=x^2+y^4[/tex]

hessian is 0, what now? this is simply but what can i do in more complicated functions?

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# Homework Help: Function two wariables - hessian matrix is 0

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