The conditions of simultaneous diagonalization of two matrices are given.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.In this paper, we mainly discuss the diagonalization of a special kind of block circulant matrices.本文主要探讨了一类特殊的分块循环矩阵的...
It does sometimes help to know the nutritional content of foods.知道食物所含的营养成分有时的确有帮助。When you sprout seeds their nutritional content increases.让种子发芽后，其营养含量会提高。A diet lacking in nutritional value will not keep a person heal...
Don't take on more responsibilities than you can handle.不要承担过多的责任。Clear the decks before you think of taking on any more responsibilities.在考虑承担更多责任之前一定要先料理完手头的事。The danger is that recalcitrant local authorities will...