1) linear relaxation
线性松弛
1.
By utilizing the equivalent Problem(Q) of problem(P) and linear relaxation technique,a relaxation linear programming(RLP) problem about problem(P) is established,through the successive refinement of the linear relaxation of the feasible region of the objection function and the solutions of a series.
通过利用问题(P)的等价问题(Q)和线性松弛技术,建立了问题(Q)的松弛线性规划(RLP),通过对(RLP)可行域的细分以及一系列(RLP)的求解过程,从理论上证明了算法收敛到问题(P)的全局最优解。
2) linear relaxation method
线性松弛方法
1.
In this paper a linear relaxation method is proposed for a class of optimization problems (P).
对一类优化问题(P)给出了一线性松弛方法。
3) linear programming relaxation
线性规划松弛
1.
Applying linear programming relaxations,a 3-approximation algorithm has been obtained while jobs have no precedence constraints and a 4-approximation algorithm has been obtained while jobs have precedence constraints.
考虑目标函数是拒绝费用与带权总完工时间之和,应用线性规划松弛方法设计了近似算法,当工件之间没有优先关系时得到3-近似算法,当工件之间具有优先关系时得到4-近似算法。
2.
583)-approximation algorithm is obtained by linear programming relaxation.
讨论离散加工时间可控的排序问题P|dis_cpt,pmtn|∑~n_(j=1)c_jt_j+C_(max),应用线性规划松弛方法得到其性能比为e/(e-1)(≈1。
3.
The method determines the lower bound of optimal value of former problem over a simplex by a new linear programming relaxation bounded technique and integrates outer approximation method with branchandbound scheme.
这种方法是用新的线性规划松弛定界技术确定最优值的下界,并且把分枝定界技术和外逼近方法有机地结合起来。
4) successive line overrelaxation
逐次线性超松弛
5) linear relaxation programming
松弛线性规划
6) line relaxation
线松弛
1.
Both point and line relaxations with analytical Jacobian matrix converge faster than those of LU-SGS.
以高超声速粘性绕流的数值模拟为例,研究LU-SGS、高斯-赛德尔点松弛、线松弛以及GMRES等隐式求解方法在空间项采用高阶精度格式WCNS离散时的收敛性,并对GMRES(generalized minimal residual)方法中的子迭代影响作了对比计算。
2.
The results indicate that: the inviscid flux-vector of Steger-Warming is better than the others,both the point and line relaxations with analytical Jacobian matrix converge ere faster than LU-SGS,and GMRE.
以二维圆柱超声速无粘和粘性绕流的数值模拟为例,空间项采用高阶精度格式WCNS离散,对比研究了LU-SGS、高斯-赛德尔点松弛、线松弛以及GMRES等隐式求解方法的收敛性,并对右端项中的无粘通矢量、GMRES方法中的预处理和子迭代等影响作了对比计算。
补充资料：β松弛
分子式：
CAS号：
性质：又称β松弛。高分子链上带有的较大侧基或侧链，由于自身内旋转的原因，从一种平衡状态向另一种平衡状态迁移的运动过程中，会在动态力学谱、介电性质谱或核磁共振谱上产生内耗峰，这种现象称侧链松弛。
CAS号：
性质：又称β松弛。高分子链上带有的较大侧基或侧链，由于自身内旋转的原因，从一种平衡状态向另一种平衡状态迁移的运动过程中，会在动态力学谱、介电性质谱或核磁共振谱上产生内耗峰，这种现象称侧链松弛。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条