... 三角矩问题：trigonometric moment problem 三角近似多项式：trigonometric approximation polynomial 三角尺;三角板：set square ...
基于76个网页-相关网页
trigonometric polynomial approximation 三角逼近
·2,447,543篇论文数据，部分数据来源于NoteExpress
Using the modulus of smoothness and K-functional, direct and inverse theorems of simultaneous approximation for a kind of multivariate trigonometric polynomial operators are established.
利用光滑模和K -泛函给出了一类多元三角多项式算子同时逼近的正逆定理。
youdao
应用推荐
模块上移
模块下移
不移动