asymptotic expansion造句
例句與造句
- Laplace inverse transformation and asymptotic expansion for n - times integrated c - semigroups
逆變換及漸近展開 - Asymptotic expansion solution
漸近級(jí)數(shù)解法 - The product theorem of asymptotic expansions of the energy integral for elliptic partial differential equations
橢圓型方程能量積分漸近展開的乘積定理 - The asymptotic expansions of the hermite finite element approximations for two point boundary value problem of fourth - order differential equations with extrapolation
有限元解的漸近展式與外推 - By using the so called renormalization group method , we give a uniformly valid asymptotic expansions of the boundary value problems under consideration
利用重正化群方法，構(gòu)造了該邊值問題解的一致有效漸近展開式。 - It's difficult to find asymptotic expansion in a sentence. 用asymptotic expansion造句挺難的
- Under appropriate conditions , the asymptotic expansions of the solutions for the problems are obtained , and the higher precision is achieved for some problems
在適當(dāng)?shù)臈l件下較簡(jiǎn)捷地得到了問題解的估計(jì)式，并對(duì)一些典型的問題，解的估計(jì)式達(dá)到了較高的精度。 - A class of nonlinear singularly perturbed elliptical problems with boundary perturbation are considered . the uniform valid of the constructed asymptotic expansion is proved
摘要研究了一類具有邊界攝動(dòng)的非線性奇攝動(dòng)橢圓型問題。并證明了邊值問題解的漸近展開的一致有效性。 - Using the matching condition , a class of nonlinear singularly perturbed problems for two boundary layers are discussed . asymptotic expansion of solution for boundary value problem are obtain
摘要利用匹配條件，討論了一類三階非線性奇攝動(dòng)問題，得出了奇攝動(dòng)邊值問題的漸近展開式。 - Firstly , the voronovskaja type formula of asymptotic expansion of this kind of operators is given . then the approximation of the bounded variation functions by the kinds of operators is discussed
第一節(jié)給出該算子的voronovskaja型漸近展開公式；第二節(jié)討論該算子對(duì)有界變差函數(shù)的逼近。 - Under appropriate assumptions , the existence of solution is proved by means of the theory of differential inequalities and the uniformly valid asymptotic expansion for arbitrary nthorder is obtained
在適當(dāng)?shù)臈l件下，利用微分不等式理論證明?解的存在性，得到?解的任意階近似的一致有效漸近展開式。 - Using the matching asymptotic expanding method , the solutions for a class of nonliear singularly perturbed problems are discussed . zero order asymptotic expansions of solution for boundary value problem are obtain
摘要利用匹配漸近展開法，討論了一類非線性奇攝動(dòng)問題的解，得出了奇攝動(dòng)邊值問題的零次漸近展開式。 - By introducing proper stretchy variable and constructing boundary layer function , it concludes n - order approximate solution , and using theory of differential inequality , uniformly validity of asymptotic expansion is proved
通過引進(jìn)適當(dāng)?shù)纳扉L(zhǎng)變量，構(gòu)造邊界層函數(shù)，得到了解的n階近似值，并利用微分不等式理論證明了解的漸近展開式的一致有效性。 - Different from the scattering theory used in the derivation of conventional generalized screen propagator , in this paper , a high order formula of generalized screen propagator for one - way wave equation is proposed by using the asymptotic expansion of single - square - root operator
摘要不同于常規(guī)廣義屏傳播算子的推導(dǎo)中使用散射理論，本文利用單平方根算子的漸近展開，推導(dǎo)出了單程波方程廣義屏傳播算子的高階表達(dá)式。 - It was suggested to employ asymptotic expansion - based homogenization method to establish the equivalent homogenized model of oblique joint rock , macroscopic equivalent constitutive parameters of the model were predicted and compared with those given by other equivalent models
摘要將斜交節(jié)理巖體作為一種廣義復(fù)合材料，選取恰當(dāng)?shù)拇碓捎镁鶆蚧夹g(shù)，建立復(fù)合等效本構(gòu)關(guān)系，可預(yù)測(cè)斜交節(jié)理巖體的宏觀力學(xué)性能。 - The integrands in the dispersion equation are not integrable in general , so we used the asymptotic expansion solution to analyze the behavior of the dispersion relation at the singularity and mapped the dispersion relation curves approximately the system composed of collisionless particles which obey maxwellian distribution or all kinds of degenerate distribution , even in their mixture system , their dispersion relation are analogous
一般來說，色散方程中的被積函數(shù)都是難以求積的，本文是用函數(shù)逼近法分析色散方程在奇點(diǎn)處的行為，并大致劃出色散關(guān)系曲線。由無碰撞粒子組成的系統(tǒng)，不管初始分布是maxwell分布還是各種簡(jiǎn)并分布，甚至是這些分布的混合體，色散關(guān)系都是相似的。
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