最后,利用边界条件和初值条件求解线性方程组,得出相应结果。
Finally, the boundary condition and initial value are used to solve the linear equations so as to obtain the corresponding results.
本文讨论了一类满足初值条件的非线性椭圆型方程组正整体解的存在性。
In this paper, we prove existence of positive entire solutions of a class quasi linear elliptic systems.
文章讨论了一类具有特殊初值条件的伪抛物型方程确定常数系数的反问题。
This paper deals with a class of inverse problems of determining the unknown source term for the pseudoparabolic equation.
阻尼最小二乘法在较差的初值条件下能有效运行,并能克服系数矩阵奇异时的迭代困难。
Damped least-squares method can work successfully at a relatively poor initial value, and it can overcome the recurrence difficulty caused by the singular coefficient matrix.
应用黄金分割法和元素交替极小化法对扩展的卡尔曼滤波初值条件进行搜索并获得优化解。
Initial value conditions on Expanded-Kalman-Filter are searched by Gald-Cutting and Component-Minimum methods, and then optimized.
本文运用正则化方法证明了一类退化抛物方程解的存在唯一性,讨论了解的全局存在性与爆破,并在一定的初值条件下得到了解的爆破速率。
In this paper, we establish the local existence and uniqueness of the solution by using regularization method. We also obtain the global existence and nonexistence. Finally, we get the blow-up rate.
实验结果表明:动力系统的预报时效不仅与初值误差有关,而且在一定条件下敏感地依赖于计算采用的时间步长和计算精度。
From the result we found that the predictability time is not only depend on initial error but also sensitive to the precision and the time step-size used in the computation.
本文研究了半线性波动方程在非线性项和初值满足一定条件下解的存在性。
This paper studies the existence of solution for a semilinear wave equation under the nonlinear term and initial value satisfying certain conditions.
针对单纯形法全局搜索能力不足的缺点,提出了通过编制简单条件下的最佳测星方位表来为算法提供良好初值的解决方案。
The simplex method is chosen to do the optimization, and a best navigation star table under simple conditions is proposed to reinforce the global optimize capability of simplex method.
给出由传递性产生初值敏感及混沌的几个充分条件。
In this paper, it is introduced that transitivity arise some sufficient condition which sensitive dependence on initial conditions and chaos.
考查了线性组合方程的解在特征角面顶点的值,并给出了柯西问题解对初值的必要条件。
The value of solution for the linear equation at the conic point is derived, and the necessary condition satisfied by the Cauchy's problem solution is given.
研究了奇异线性系统初值问题解存在唯一的充要条件,并给出了其求解公式。
Sufficient and necessary conditions for existence and uniqueness of solutions for initial value problems of singular system are studied in this paper, and the formula of solution is given.
研究了一类奇异线性系统初值问题可解的充要条件及通解公式,给出了奇异线性系统的化简方法及其简单形式,所得结果统一和推广了正常线性系统的相应结。
The formulas of general solutions and sufficient and necessary conditions of solutions of the initial value problems for a class of singular linear system are studied.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程,证明了它的有界吸收集和有限维惯性流形的存在性,并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
考虑具有介质阻尼及非线性粘弹性本构关系的梁方程,证明了它的有界吸收集和有限维惯性流形的存在性,并由此得到在一定的条件下所给偏微分方程等价于一常微分方程组的初值问题。
The equations of nonlinear viscouselastic beam are considered, The existence of absorbing set and inertial manifolds for the system are obtained, and from which we get that the P D E.
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