But why is this learning rate in gradient descent

  1. When we are in x = -2, slope = -4: Go right (to the direction where x is increasing) along the curve
  2. When we are in x = 2, slope = 4: Go left (to the direction where x is increasing) along the curve
  3. When we are in x = 5, slope =10: Go left along the curve, but take bigger step than we did for x = 4 (since longer distance to go).

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