ssor meaning in English
超松弛
切比雪夫加速和对称sor
Examples
- Application of ssor - pcg in engineering
的工程应用 - The compressed coefficient matrix is stored and other memory saving methods are involved . ssor is employed to improve the coefficient matrix , as a result , fem solver - bicg is speeded
讨论了有限元方程组系数矩阵的压缩存储技术和其它一些内存紧缩方法，节省了大量的内存消耗。 - Nonphysical time is introduced and the lower - upper symmetric successive over - relaxation ( lu - ssor ) scheme is modified in navier - stokes equations . an application to natural unsteady viscous flow is presented to check for the capability of the procedure
在原控制方程中引入伪时间导数项，对上下对称逐次超松弛( lu - ssor )格式进行了修正。 - In chapter 4 , some examples are given to illustrate that the convergence of saor - al - pcg method is better than the classical iterative method ( such as jacobi . gauss ? seidel . sor ) and the traditional cg method as well as ssor - pcg
第四章用实例证明了这种预条件共轭梯度法的收敛速度比古典的迭代法(如jacobi ， gs ， sor )和传统的cg以及ssor - pcg要快一些。 - Finally , when the decomposition is proceeding to a symmetric positive definite matrix , the pivot may be very small or even negative . there provided several methods to overcome this shortcoming . ( 2 ) for the block strictly diagonally dominant matrices , there proved the existence and uniqueness of the block lu decomposition and the existence of the incomplete version
( 2 )证明了严格块对角占优矩阵块lu分解的存在唯一性与块不完全lu分解的存在性，以及严格块对角占优矩阵与不可约块对角占优矩阵的块jacobi 、块gs ，块sor 、块ssor等基本迭代法的收敛性。