Cauchy schwarz inequality khan academy Video
Linear subspaces - Vectors and spaces - Linear Algebra - Khan Academy cauchy schwarz inequality khan academy.For the analytical method called "steepest descent", see Method of steepest descent. Gradient descent is a first-order iterative optimization algorithm for finding a local minimum of a differentiable function. The idea is to take repeated steps in the opposite direction of the gradient or approximate gradient of the function at the current point, because this is the direction of steepest descent.
Conversely, stepping in the direction of the gradient will lead to a local maximum of that function; the procedure is then known as gradient ascent. Gradient descent is generally attributed to Cauchywho first suggested it in ]
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