Large-sized of φ100 mm CaF2 single crystals were grown by the Bridgman method.
采用坩埚下降法成功生长了φ100mmCaF2晶体,研究了不同条件生长单晶的缺陷和光谱性能。
CaF_2 single crystals were grown by Bridgman method in different growing conditions.
采用坩埚下降法生长了CaF2单晶体,研究了不同条件生长的单晶缺陷和光谱性能。
The high temperature phase barium metaborate α-BaB2O4 single crystal with 25mm in diameter, 100mm in height was grown by the Bridgman method.
采用坩埚下降法生长出了新型双折射晶体高温相偏硼酸钡α-BaB2O4单晶,尺寸为φ25mm×100mm,在He-Ne激光照射下无散射颗粒和生长条纹,在可见光区用复式宝石折射仪粗略测得该晶体的双折射率△n=0。
Global convergence of a conjugate descent algorithm;
一种共轭下降算法的全局收敛性
A descent algorithm for global optimization;
全局最优化问题的下降算法
A new descent algorithm for solving the nonlinear complementarity problems are presented.
提出了非线性互补问题的一个下降算法 ,并在一定条件下证明了该算法的收敛性定理 ,同时给出了一些数值例子 ,得到很好的数值结
After observing two types of nonsmooth optimization methods,subgradient method and Bundle method,and the descent method briefly,a new idea on solving nondifferentiable problems is brought for- ward and then the new method is presented.
在分析了非光滑优化两类基本算法以及最速下降法要素的基础上,提出了一种求解非光滑优化问题的思路,形成了算法。
Finally, wo present a descent method for solving VIP and study a global error bound for unconstrained optimization reformulation in order to discuss the convergence of itinerative method.
最后给出了一个求解的下降法，并考察了最优化问题的误差界问题，以分析叠代法的收敛性。
We consider the convergence properties of descent methods with errors proposed by Solodov and Svaiter.
本文考虑了Solodov和Svaiter提出的带误差项的下降算法的收敛性。
This paper presents a class of descent method for unconstrained optimization problem, and proves its global convergence under Armijo s line search and wolfe s line search.
提出一类无约束优化下降算法 ,证明了Armijo搜索和Wolfe搜索下的全局收敛性 。
The Modified Steepest Descent Method──Best Point in Steepest Descent method
改进的最速下降法─最好点最速下降法
roping [helicopter]
沿绳下降法〔直升机〕
An Application of Fermat's Method of Descent to a Real Quadratic Field
费尔玛下降法在一实二次域中的应用
BRIDGMAN GROWTH OF Bi_4Si_3O_(12) SCINTILLATION CRYSTALS
坩埚下降法生长硅酸铋闪烁晶体(英文)
The decreasing gradient algorithm and chaos algorithm both have shortcomings for optimization problems.
梯度下降法与混沌优化法均具有各自的缺点。
Bézier curve fitting based on genetic algorithm and steepest descent algorithm
基于遗传算法和最速下降法的Bézier曲线拟合
Image restoration algorithm based on primal-dual hybrid gradient descent method
基于原—对偶混合梯度下降法的图像恢复算法
A New Class of Multi-step Descent Methods with Curve Search Rule
一类新的曲线搜索下的多步下降算法
To descend by means of a parachute.
跳伞，伞降用降落伞下降
while in the senior period, the egg laying rate fell on an average at the rate of 6.3‰ per week, as against 5.6‰ per week of French standard.
在衰老阶段,日产蛋率每周下降6.3‰,而法国标准每周下降5.6‰;
the approach to a landing field by an airplane.
飞机下降接近陆地的方法。
A new gradient descent algorithm for unconstrained optimization problem is proposed.
提出了一种新的无约束优化下降算法.
The birthrate in France has been declining for several years.
近几年来,法国的出生率一直在下降。
The pilot manages to glide down to a safe landing
驾驶员设法使飞机滑行下降安全著陆
The pilot managed to glide down to a safe landing.
驾驶员设法使飞机滑行下降安全着陆.
The concern is that respiratory problems could impede athletic performance and prevent records from being broken.
呼吸不顺畅，使得成绩下降，无法破记录。
A Derivative-free Algorithm Based on Approximate Descent Direction;
一个基于近似下降方向的免梯度算法
The Method of Reducing Bullwhip Effect Under the Information Sharing Condition;
信息共享条件下的牛鞭效应降低方法