This video explains how to find the average cost function and find the minimum average cost given the total cost function.Site: http://mathispower4u.com

To find an extreme point (minimum or maximum), one has simply to take the derivative equal to zero. Thus : D ′ ( x) = 0 ⇒ 3 − 100 x 2 = 0 ⇔ x = ± 100 3 But, note that the function is initially

Gradient descent is a method for finding the minimum of a function of multiple variables. So we can use gradient descent as a tool to minimize our cost function. Suppose we

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1. I want to find the minimum value of the cost function T. The cost function T has an expression in two variables ( Q and r ). I also need to find values of Q and r at which the cost function T

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