application of quadratic form ?
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✒ If you have a function f:Rn⟼R, and find points where ∇f=0, then the quadratic form tells you whether it is a saddle point, a min or a max. There is a huge number of applications in probability and statistics: Modeling "linear" dependence between random variable through second moments (covariances and correlations).
Answered by
6
Answer:
If you have a function f:Rn⟼R, and find points where ∇f=0, then the quadratic form tells you whether it is a saddle point, a min or a max. There is a huge number of applications in probability and statistics: Modeling "linear" dependence between random variable through second moments (covariances and correlations).
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