polynomial interpolation function

基本解釋

Lastly, using the compactly supported radial functional to take the place of the polynomial function, local radial point interpolation method, is presented in this paper.
最后，本文采用緊支距離基函數(shù)取代多項式基函數(shù)，提出了局部徑向點插值方法，這是一種真正意義上的無網(wǎng)格方法。
One is the formula of central difference based on isometric node of interpolation polynomial, and the other is fitting an original function, afterwards finding its derivation.
針對這一實際情況，首先從經(jīng)典差分模型入手，推導(dǎo)出了環(huán)境激勵下的多參考點互相關(guān)差分模型，然后分別采用增廣矩陣法和多項式特征值法求解模態(tài)參數(shù)。
On the basis of the periodicity of the designed orbit of GPS satellite, trigonometric function polynomial interpolation method is used to interpolate the IGS precise ephemeris.
考慮到GPS衛(wèi)星的設(shè)計軌道具有明顯的周期性，用三角函數(shù)多項式方法進(jìn)行精密星歷插值，并與經(jīng)典的拉格朗日插值方法進(jìn)行了比較。