1) Courant-Fisher theorem
Courant-Fisher定理
1.
By using a kind of decomposition of complex normal matrix and Gersgorin disc theorem,the classical Greub-Rheinboldt inequality on the case of positive definite Hermite matrix and the classical Courant-Fisher theorem on the case of Hermite matrix are improved to the case of the complex normal matrix,so two results can be obtained on the complex normal matrix.
利用复正规矩阵的一个分解和Gersgorin圆盘定理等工具将经典的关于正定Hermite矩阵的Greub-Rheinboldt不等式和关于Hermite矩阵的Courant-Fisher定理推广到复正规矩阵的情形,得到了关于复正规矩阵的两个结论。
2) Courant-Fisher's principle
Courant-Fisher原理
3) Fisher Montgomery theorem
FisherMontgomery定理
4) Courant stability condition
Courant稳定性条件
5) courant number
Courant数
1.
The filling time steps were adaptively adjusted for flow calculation of injection molding;sub time steps of computing temperatures were calculated for each node according to local courant number,and the heat transfer analysis was conducted by the filled order of nodes.
在注射流动分析中,依据多个时间步长流过一个单元层的准则,自动调节流动分析的时间步长;而在温度计算时每个结点依据其Courant数采用不同的子时间步长,并且按着结点的注满顺序进行传热分析。
2.
Parameters are calibrated by observed data, and the Courant number and eddy viscosity are summarized.
针对河道较长的天然河段,建立了简捷、高效,基本满足精度要求的数值流场计算模型,为相应河段的河床冲淤计算和适航性研究提供了必要的数值模拟基础;并在率定相应参数的同时,总结了不同Courant数以及无量纲涡粘性系数对计算结果的影响。
3.
The alternative Courant number is applied to the locally implicit finite element method.
采用一种变Courant数方法,使局部隐式有限元法在提高收敛速度的同时增强了稳定性。
6) Fisher Threshold Rule
Fisher阈值确定
补充资料：Courant定理
Courant定理
Courant theorem
C..，口t定理〔C.田国口t血。.阳.;玲脚.raT“甲洲a]，关于可变边界区城共形映射的 设{D，}是复2平面中的单连通区域套序列，瓦+，CD，，沪，}收敛于其关于某点z。的核Dz。;假定集合D、由一条Jordan曲线围成，则由D。到圆盘△={w:}叫
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