Convexity and solvability for compactly supported radial basis functions with different shapes
It is known that interpolation with radial basis functions of the same shape can guarantee a nonsingular interpolation matrix, whereas little was known when one uses various shapes. In this paper, we prove that functions from a class of compactly supported radial basis functions are convex on a cert...
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| 格式: | Journal article |
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Springer
2014
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