Question: Error surface is given by E ( x , y , z ) = 3 x 2 + 2 y 2 + 4 z 2

Error surface is given by E(x,y,z)=3x2+2y2+4z2+6. Assume gradi-
ent descent is used to find the minimum of this error surface. What is
the optimal learning rate that leads to fastest convergence to the global
minimum?
Error surface is given by E ( x , y , z ) = 3 x 2

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