Gradient descent Gradient descent (steepest descent method Steepest Descent)

 

Steepest descent method (steepest descent method), also known as gradient descent method (English: Gradient descent) is a first-order optimization algorithm.

 

What is the fastest decline in the value of the function of direction? In the negative gradient direction   D = - G K

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Origin www.cnblogs.com/focusonoutput/p/12151198.html