In this video, Salman Khan of Khan Academy explains derivatives. Part 4 of 9.
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Khan Academy
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In this video, Salman Khan of Khan Academy explains derivatives. Part 3 of 9.
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Khan Academy
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Improving upon the symmetric approximation for a derivative using extrapolation.
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MIT
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Definition of this method, f '(x) ~ (f(x+d) - f(x-d)) / (2d), for approximating derivatives and its advantages over the previous method.
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MIT
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Discussion of the potential problems with the first method for approximating derivatives.
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MIT
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Definition of this basic method for approximating the derivative of a function with f'(x) ~ (f(x+d) - f(x)) / d.
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MIT
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Graphs of the types of discontinuities, including cusps, jump discontinuity, removable discontinuity, infinite discontinuity, and essential discontinuity.
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MIT
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Examples when standard functions are or are not differentiable.
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MIT
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Definition, including differentials and an applet for graphing a function and its derivative
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MIT
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A selection of answers from the Dr. Math archives.
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Ask Dr. Math
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