摘要给出两个矩阵同时合同对角化与同时相似对角化的一些条件.The conditions of simultaneous diagonalization of two matrices are given.基于householder转换, 给出了稠密对称矩阵三对角化的MPI+OpenMP混合并行算法.Based on Householder transformation, MPI + OpenMP hybrid parallel algo...
邮票是晦暗的深蓝色。The stamp was a dull blue colour.这段微妙、晦暗的时期刚刚开始, 他就向国会作了 “ 伸出和平之手 ” 的演说.Early in this strange twilight period, he delivered his " outstretched hand " peace speech to the Reichstag.伯莎望着窗外晦暗的天色.Bertha was looking...
The car engine was pinking slightly.车子的引擎发出一点点爆震声.The car engine pinking slightly.车子的引擎发出“一点点”爆震声.Cut the edge of the card by pinking shears to make serration or wave patterns.再使用造形剪刀将卡片的边缘剪成锯齿或波浪状,以增加美感....