例句與造句

1. this paper is devoted to nonlinear approximation, namely, m-term approximtion of anisotropic smooth periodic functions . nonlinear approximation is the important part of approximation the-ory . it means that the approximants do not come from linear spaces but rather from nonlinear manifolds . the advantages of nonlinear approximation show that one can achieve a given accuracy of approximation while assuming less smoothness on the function in the nonlinear case than is necessary in the corresponding linear approximation . nonlinear approximation is used significantly in many applications, such as image processing, noise removal and the solution of operation equations and so on
   非線性逼近與線性逼近最大的區(qū)別在于所用的逼近子空間不是固定的，而是依賴于被逼近的函數(shù)其主要優(yōu)點(diǎn)是對光滑度較低的函數(shù)仍可以得到較高的估計階。隨著小波和樣條的廣泛使用非線性(m項)逼近成為較熱門的話題，它在圖象處理，聲的傳播，算子方程的求解等方面都有很多應(yīng)用。
2. It's difficult to find approximants in a sentence. 用approximants造句挺難的