MathComputational mathOptimization

Gradient Descent

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Given the function $f(x,y)=\sqrt{x^2+y^2}$ and the starting point $\bold{x}_0=(2,3)$ , which of the following step sizes best approximates the corresponding gradient descent sequence to the true minimum $(0,0,0)$ , by iteration $k=3$ ?

Select one option from the list

2.00

0.12

0.90

0.10

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