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Algorithms for nonnegative C2(R2) interpolation
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-04-28 , DOI: 10.1016/j.aim.2021.107756 Fushuai Jiang , Garving K. Luli
中文翻译:
非负C 2(R 2)插值算法
更新日期:2021-04-29
Advances in Mathematics ( IF 1.7 ) Pub Date : 2021-04-28 , DOI: 10.1016/j.aim.2021.107756 Fushuai Jiang , Garving K. Luli
Let be a finite set, and let . In this paper, we address the algorithmic aspects of nonnegative interpolation in the plane. Specifically, we provide an efficient algorithm to compute a nonnegative extension of f with norm within a universal constant factor of the least possible. We also provide an efficient algorithm to approximate the trace norm.
中文翻译:
非负C 2(R 2)插值算法
让 成为一个有限集,让 。在本文中,我们讨论了非负数的算法方面平面中的插值。具体来说,我们提供了一种有效的算法来计算非负数在最小可能的通用常数范围内用范数扩展f。我们还提供了一种有效的算法来近似跟踪规范。