Question: Suppose we define a loss function L(y^,y)=(y^y)2, where y^,yRN, with N>1. For a given y, how many values of y^ minimize the loss function? N

Suppose we define a loss function L(y^,y)=(y^y)2, where y^,yRN, with N>1.

Suppose we define a loss function L(y^,y)=(y^y)2, where y^,yRN, with N>1. For a given y, how many values of y^ minimize the loss function? N 2 1 0

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