查询词典 projection gradient method

The shape formed by projection of correlation line of rotative surface on which two axises Intersect by meahs of analytical method is discussed,and some related characterlstles of hyperbolic curve ,on the basis of which are given some ideas about making a drawing by correlationline projection are analysed and the actual drawing process is illustrated.

用解析法探讨了两轴线相交的回转面的相贯线投影的形状，分析了双曲线的一些相关特性，在此基础上给出了相贯线投影作图的新思路；利用实例说明了具体的作图过程。

Dynamic focus voltage error of projection display system was studied in this article. Parabola dynamic focus method, projection tube shape and optics processing were analyzed.

从投影显示系统典型的动态聚焦方法与投影管特殊的荧光屏结构以及光学处理等方面对投影显示系统的动态聚焦电压误差进行研究。

Keywords Closed convex cone;gradient projection method;Least-squares solution;Inverse matrix problem;Inverse eigenvalue problem;Matrix completion problem;Optimal approximation

Article From 湖南大学；应用数学博士论文 2005年度闭凸锥；投影梯度法；最小二乘解；矩阵反问题；矩阵逆特征值问题；矩阵完全化；最佳逼近

Now the gradient projection method has been considered as one of the basic methods for solving nonlinear optimization problems.

现在梯度投影方法已成为求解非线性规划问题的基本方法之一。

The numerical results illustrate that the algorithm in the paper is more effective than gradient projection method.

数值试验的结果表明算法是有效的。

The gradient projection method based on continuous scale factor is presented.

提出了基于连续比例因子的梯度投影算法。

The gradient projection method is a class of effective algorithms for constrained optimization problem,and it has an important position in optimization.

梯度投影法是一类有效的约束最优化算法，在最优化领域中占有重要的地位。

Best [25] appears to be the first to suggest the use of Rosen's gradient projection method [154] for optimal structural design.

最好[25]看来是建议使用的第一个Rosen's梯度投影法[154]优选的结构设计的。

Some convergence results of the gradient projection method under milder conditions are obtained.

进一步给出了目标函数f是凸函数和拟凸函数时的更强的收敛性结果。

Best [25] appears to be the first to suggest the use of Rosen′s gradient projection method [154] for optimal structural deign.

最好 [25] 似乎是第一建议 Rosen ′ s 倾斜度发射方法的使用 [154] 为最佳的结构蒙。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。