The optimal harvesting problem for a semi-linear age-dependent time-varying population system is discussed.
讨论了年龄相关的半线性时变种群系统的最优捕获控制问题。
In this paper, the maximum principles for solutions of four classes of semi-linear ellipic equations are established.
文章主要建立了四类四阶半线性椭圆型方程解的极大值原理,并得到了相应边值问题的解的唯一性定理。
Taking a MLP with a single hidden layer for an example, a semi-linear analysis theory of internal behavior of MLPs is presented.
作者以单隐层的MLP为例,论述了关于MLP的内部行为的半线性分析理论。
The transformations on semi-linear spaces, the matrices defined on quasi-domains and the relationship between them are investigated.
定义了拟域上的矩阵,并用以描述半线性空间之间的变换。
In this paper, the nonexistence of global solutions to a semi-linear Kirchhoff equation with dynamic boundary conditions is considered.
考虑了一类具材料阻尼的非线性双曲型方程初边值问题整体解的不存在性。
It is discusses that the initial-boundary value problem under the third non-linear boundary condition for a kind of semi-linear parabolic equation.
讨论了一类半线性抛物型方程具有第三类非线性边界条件的初边值问题。
This paper by introducing integral deals with the uniqueness and stability of solution of the Cauchy problem to a form of semi-linear parabolic equation.
本文采用引进积分的方法讨论一类半线性抛物型方程柯西问题解的唯一性与稳定性。
A type of 2D semi-linear pseudo-parabolic equation is cousidered, which has wide application areas. An implicit difference scheme corresponding to the IBVP of this equation is designed.
本文讨论了一类具有较强应用背景的二维半线性伪抛物方程,设计了求解此类方程对应的初边值问题的隐式差分格式。
The estimators problem of parameters and functions in Semi-Linear Model were studied by Generalized Least Square method. The agreement between parameters and functional estimators was then presented.
运用广义最小二乘法研究了一类半线性模型中的参数、函数的估计量问题,并证得估计量的一致性结果。
The stability and the solutions of linear and nonlinear topographically generated Rossby Waves were discussed by using a barotropic semi-geostrophic model.
本文在半地转概念下,讨论了线性和非线性地形罗斯贝波的稳定性及其解。
It has also been shown that the algebraic dynamics might be generalized from the linear dynamic system with a semi-simple Lie algebra to that with a general Lie algebra.
结果表明代数动力学方法对于具有非半单李代数结构的线性动力系统仍然适用。
A convergence proof is given for the continuous analog of the Newton method for linear semi-positive definite operator equations and convergence rates are obtained.
对半正定线性算子方程考虑了一类连续正则化牛顿方法,给出了收敛证明,得到了收敛率。
In the application of hedonic price model, it has a wide choice of function forms, including linear function, logarithmic function and semi-logarithmic function, etc.
在特征价格模型的应用中,函数形式的选择具有多样化,包括线性函数、对数函数、半对数函数等。
After introducing theory of Linear Planning, it gives inventory distribution models for products and semi-finished products, which can further reduce the products inventory.
该部分首先介绍了线性规划的理论,提出了成品和半成品库存量分配的线性规划模型。仿真实例表明该模型能降低成品库存,从而进一步降低库存成本。
Non-linear equations are(constructed) with the restriction of the satellite ground trace to resolve the unknown semi-axis and inclination, but it's too complicated to be resolved directly.
以轨道半径和轨道倾角为未知量依据星下点轨迹要求条件构建了非线性方程组,但直接求解过于复杂,采取迭代的方法解决。
The motion amplitude and phase Angle of a semi-submersible in regular waves are solved by means of iteration method after the non-linear viscous effect was processed linearly.
在将粘性影响线性处理后,采用迭代法求解半潜船在规则波中的运动幅值和相位角。
Simulations on linear and nonlinear structures demonstrate that RDRNN is very effective on predicting the response of a structure subject to semi-active control and external excitation.
应用该模型对线性结构和非线性结构在变阻尼控制和外荷载激励下结构的响应进行了数值仿真,表明所提的动态递归神经网络可以达到较高的预测精度。
An approach for refined parametric 3d non-linear analysis of semi-rigid steel beam-column connections of top-seat-angle with double web-angle is presented.
对采用带双腹板角钢、顶底角钢连接的半刚性钢梁柱连接节点进行了三维非线性有限元分析。
The concept of semi-transitive linear semigroup is introduced in the fourth section.
在第四节,我们针对迁移性定义对群无意义的事实定义了半迁移线性半群。
The results also show the strain is linear distributing along the section height of semi-rigid base, and the neutral layer of the beam specimen is lower than its geometrical center.
半刚性基层的正应力沿截面高度呈线性分布,合成大梁试件的中性层低于其几何形心。
The results also show the strain is linear distributing along the section height of semi-rigid base, and the neutral layer of the beam specimen is lower than its geometrical center.
半刚性基层的正应力沿截面高度呈线性分布,合成大梁试件的中性层低于其几何形心。
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