boundary-value problem造句
例句與造句
- The boundary-initial value problem is reduced to a boundary-value problem only .
邊值-初值問題簡(jiǎn)化成僅僅是邊值問題。 - To illustrate the procedure and to lend concreteness to the ideas expressed in this section, a specific boundary-value problem is studied .
為了說明方法和對(duì)本節(jié)所表示的概念的具體化，將研究一個(gè)特殊的邊界值問題。 - Research on generalized two - point boundary - value problem based on neural network
基于神經(jīng)網(wǎng)絡(luò)的廣義兩點(diǎn)邊值問題 - On the existence of positive solutions for second order multi - point boundary - value problems
二階多點(diǎn)邊值問題正解的存在性 - An existence theorem of solution to boundary - value problem governed by second - order difference equation
二階差分方程邊值問題的一個(gè)存在定理 - It's difficult to find boundary-value problem in a sentence. 用boundary-value problem造句挺難的
- Existence of solutions to a class of non - local elliptic equation with the third boundary - value problem
一類帶有第三類邊值問題的非局部橢圓方程解的存在性 - The axisymmetric mixed boundary - value problem of the vertical vibration of a rigid foundation on saturated layered soil subgrade
上覆單相彈性層的飽和地基上剛性基礎(chǔ)豎向振動(dòng)的軸對(duì)稱混合邊值問題 - The results show that the eigenvalues of the boundary - value problem form a denumerable set , and the eigenvalue approaches infinity
結(jié)果表明邊值問題的特征值構(gòu)成一個(gè)可數(shù)集，并且特征值趨向于無窮大。 - The purpose of the first part is to in - vestigate superconvergence phenomena for the second order elliptic boundary - value problems over triangulations , by using least - squares mixed finite ele - ment method
第一部分的目的是研究基于三角形剖分的最小二乘混合有限元方法的超收斂性。 - The quasi - weak convergence in c [ a , b ] is studied and applied to the boundary - value problems in the nonlinear ordinary differential equations without the assumption of the continuity , compactness and convexity
摘要研究了連續(xù)函數(shù)空間中凹（凸）函數(shù)列的擬弱收斂性，并應(yīng)用于沒有連續(xù)性緊性和凹凸性假定的二階常微分方程的邊值問題。 - In this thesis , studies are made on the problem of time - harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor . the problem is presented in eddy - current nondestructive test and geophysical prospecting . under the condition of magnetic quasi - static state , the boundary - value problem about modified magnetic vector potential is solved and the analytical solution is obtained
本論文針對(duì)渦流無損檢測(cè)和地球物理勘探領(lǐng)域用到的球?qū)w中時(shí)諧電流元的電磁問題做了研究，在磁準(zhǔn)靜態(tài)近似下，求解了修正磁矢量位的邊值問題，獲得了問題的解析解，并利用通用有限元分析軟件做了數(shù)值驗(yàn)證。 - Since the antiplane scattering problems of local sites could be divided into two kinds : interior and exterior problems , main points to solve the problems are graf ' s addition theorem . so two expressions and suitable range of the graf ' s addition theorem are studied hi the paper . moreover , an auxiliary function method for mixed boundary - value problems are also discussed in this paper
由于典型局部場(chǎng)地彈性波出平面散射問題可以分為內(nèi)域型和外域型兩大類，求解這些問題的要點(diǎn)是要完成特殊函數(shù)在不同坐標(biāo)系間的變換，因此本文對(duì)graf加法公式的兩種表達(dá)及其適用范圍做了研究，另外對(duì)解決混合邊值問題的輔助函數(shù)法做了研究。 - Firstly , in spherical coordinate system , the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived , using reciprocity theorem and transforming relations between special functions . then , selecting appropriate coordinate system , using superposition principle , the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained . finally , by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1 , the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數(shù)間的轉(zhuǎn)化關(guān)系和互易定理推導(dǎo)得到了無限大導(dǎo)體空間中球坐標(biāo)下時(shí)諧電流元電磁場(chǎng)的二階矢量位形式：然后利用疊加原理，選擇合適坐標(biāo)系，求解了導(dǎo)體球中時(shí)諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最后依據(jù)不同坐標(biāo)系下電磁場(chǎng)解的轉(zhuǎn)化原理，借助勒讓德多項(xiàng)式和n次1階球諧函數(shù)的加法公式，將坐標(biāo)系特殊安放時(shí)的電磁場(chǎng)解析解變換到坐標(biāo)系一般安放時(shí)的解析解，給出了球內(nèi)電場(chǎng)和球外磁場(chǎng)的并矢格林函數(shù)。 - Review of linear algebra , applications to networks , structures , and estimation , lagrange multipliers , differential equations of equilibrium , laplace ' s equation and potential flow , boundary - value problems , minimum principles and calculus of variations , fourier series , discrete fourier transform , convolution , applications
線性代數(shù)回顧，網(wǎng)絡(luò)，結(jié)構(gòu)以及估計(jì)的應(yīng)用，拉格朗日乘數(shù)，平衡態(tài)的微分方程，拉普拉斯方程和勢(shì)流，邊值問題，最小值原理和變分法，傅立葉級(jí)數(shù)，離散傅立葉變換，卷積，應(yīng)用。 - Fourthly , the solutions for non - axisymmetical dynamic responding of elastic circular plate ( thin and thick plate ) rested on transversely isotropic saturated half - space / layered ground subjected to arbitrary harmonic loading are presented . under the contact conditions , the problem leads to a pair of dual integral equations which describs the mixed boundary - value problem
首先建立直角坐標(biāo)系下波動(dòng)問題的狀態(tài)方程，經(jīng)雙重fo吐er變換求解狀態(tài)方程后得到傳遞矩陣:利用遞矩陣給出直角坐標(biāo)系下層狀橫觀各向同性飽和地基在任意分布簡(jiǎn)諧荷載作用下穩(wěn)態(tài)動(dòng)力響應(yīng)的一般解。
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