 全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多   共条 当前为第61条到80条[由于搜索限制，当前仅支持显示前5页数据] 未完全匹配句对 Exponential Matrix e￣(tA) Showing the Solution of Differential Equations of the First-order 指数矩阵e~（tA）表示一阶微分方程组的解 Boundary Value Problems for a Class of Fourth-order Differential Equations 一类四阶微分方程的边值问题 Application of a Five Aperture Shearing Camera in Measurement of Second Order Derivatives 五孔剪切相机在测量二阶微分场中的应用 Some Existence Principles for the Singular Second Order Differential Equation(Ф(x'))' + f(t, x) = 0 关于奇异二阶微分方程（Φ（X’））’＋f（t，X）＝0的某些可解准则 A Numerical Evaluation on Solution of Differential Equation y' = (y-x￣2)￣(-1) With Given Primarization 一阶微分方程y′＝（y—x~2）~（－1）初值问题的一种数值解法 On the Constant C in General Integral of Second - order Ordinary Differential Equation 浅谈二阶微分方程通解中任意常数C的问题 Comparison Theorem of Derivative Function of Solutions to the Second Order Differential Equation 二阶微分方程解的导函数比较定理 Clinical Observation on pulmonary Rheogram and its First Derivative in Silicosis 矽肺患者肺阻抗图及其一阶微分图的临床观察 ON BOUNDARY VALUE PROBLEMS OF nTH-ORDER DIFFERENTIAL EQUATIONS(Ⅲ)——Asymptotic Expansions for the Singular Perturbed Solutions 关于n阶微分方程边值问题(Ⅲ)——奇摄动的渐近展开 Multiple Positive Solutions of a Third -Order Nonlinear Differential Equations 一个非线性三阶微分方程的多重正解 Boundary Value Problems for Differential Inclusions of Second Order in Banach Spaces (Ⅱ) Banach空间中二阶微分包含的边值问题(Ⅱ) ZERO POINT COMPARISON THEOREM OF SOLUTIONS FOR SECOND ORDER DIFFERENTIAL EQUATIONS 二阶微分方程解的零点比较定理 Solutions to Second Order Differential Inclusions in Banach Spaces Banach空间中二阶微分包含的解 Problems about the Integrating Factor of First Order Differential Equation 关于一阶微分方程的积分因子问题 UPPER AND LOWER SOLUTION METHOD FOR A SINGULAR THIRD-ORDER DIFFERENTIAL EQUATION 一个奇异三阶微分方程的上下解方法 Comparison Theorem of Zero Point to the Second Order Differential Systems 二阶微分系统解的零点比较定理 PROPERTY OF SOLUTION OF SECOND-ORDER DIFFERENTIAL EQUATION f"(z) + A(z)f(z) = 0 二阶微分方程f″(z)+ A(z)f(z)=0解的性质 Employing the continuation theorem of coincidence degree theory developed by Mawhin,we study a kind of second order differential equation with a deviating argument as follows x″(t)+f(x′(t))+h(x(t))x′(t)+g(x(t-τ(t)))=p(t),we get some sufficient conditions of existence of periodic solution. 利用M ahw in重合度拓展定理研究了一类具偏差变元的二阶微分方程x″(t)+f(x′(t))+h(x(t))x′(t)+g(x(t-τ(t)))=p(t)周期解问题,得到了周期解存在的一组充分条件. (4)The normalized first derivate model is the optimal one. (4)归一化一阶微分模型为最优预测模型。 The homogeneous equation simplifies greatly the solution programs which are often performed to solve non-homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship. 齐次方程大大简化了人们在分析压电热弹性体耦合问题时,通常要求解非齐次方程和关于平衡方程和导热方程的二阶微分方程的繁琐方法,同时也减少了数值计算工作量.

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