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Forums
Mathematics
Calculus
Approximation of a function of two variables
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[QUOTE="AAMAIK, post: 6297645, member: 652585"] I read the first link but they don't answer my question which is that x and y are free to take any values and that I can understand why the tangent plane approximation would serve as a good approximation to the surface at some specific point if we were to vary x or y holding the other as constant. The second link video series also laid down the criteria to approximation and how the criteria (slopes in the i and j direction=slope of the surface) narrows down the many candidates for the tangent plane approximation and that the tangent plane passing through the point of approximation alone is not enough. [/QUOTE]
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Forums
Mathematics
Calculus
Approximation of a function of two variables
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