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- Other systems
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- 2019-05-11
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Description: MLS (Moving Least Squares)
July 25, 2018 15:42:20 blank_downdowndown reading: 1593
1. The establishment of fitting function is different. This method does not use traditional polynomials or other functions to establish fitting functions, but determines the value at a certain X by coefficient vectors and basis functions.
2. By introducing the concept of compact support, it is considered that the value y at x is only affected by the nodes in the subdomain near X. This subdomain is called the influence area of x, and the nodes outside the influence area have no effect on the value of X. The effect of each node in the affected area on the value of X is different. So a weight function is needed to define the impact of each node.
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