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Vector derivatives

??o hàm theo vector bao g?m gradient, ma tr?n Jacobian và ??o hàm c?a ma tr?n, ?óng vai trò quan tr?ng trong gi?i tích, t?i ?u hóa và ?ng d?ng trong h?c máy.

Riemann sum

A Riemann sum is a method used in calculus to approximate the integral (or area under a curve) of a function. It is named after the German mathematician Bernhard Riemann. The basic idea behind a Riemann sum is to break up the region under a curve into small rectangles, compute the area of each rectangle, and then sum those areas to approximate the total area under the curve.

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