基于第四類Chebyshev多項式零點的Lagrange插值多項式逼近
發(fā)布時間:2019-05-20 15:07
【摘要】:給出了最大框架下基于第四類Chebyshev結點組的Lagrange插值多項式在最大范數(shù)下逼近一類解析函數(shù)時的精確誤差。又針對Lp(p1)范數(shù),給出了插值函數(shù)對該類解析函數(shù)類的逼近誤差的強漸近階。
[Abstract]:In this paper, the exact error of Lagrange interpolation Polynomials based on the fourth kind of Chebyshev node group under the maximum norm is given when approximating a class of analytic functions under the maximum norm. Aiming at the Lp (p1) norm, the strong asymptotic order of the approximate error of the interpolation function to this kind of analytic function class is given.
【作者單位】: 天津師范大學數(shù)學科學學院;
【基金】:國家自然科學基金青年科學基金項目(11401436)
【分類號】:O174.41
[Abstract]:In this paper, the exact error of Lagrange interpolation Polynomials based on the fourth kind of Chebyshev node group under the maximum norm is given when approximating a class of analytic functions under the maximum norm. Aiming at the Lp (p1) norm, the strong asymptotic order of the approximate error of the interpolation function to this kind of analytic function class is given.
【作者單位】: 天津師范大學數(shù)學科學學院;
【基金】:國家自然科學基金青年科學基金項目(11401436)
【分類號】:O174.41
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1 王全龍;對《弱Chebyshev集與樣條》一文的訂正和推廣[J];山西大學學報(自然科學版);1981年02期
2 周家斌;ON THE EXPANSION OF CHEBYSHEV POLYNOMIALS IN IRREGULAR GRIDS[J];A Monthly Journal of Science;1982年05期
3 孫燮華;THE EXACTLY POINTWISE DEGREE OF APPROXIMATION OF HERMITE-FEJ,
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