·在矩阵中，若数值为0的元素数目远远多于非0元素的数目，并且非0元素分布没有规律时，则称该矩阵为稀疏矩阵，并用三元组表表示。该算法只扫描两遍原三元组表，就能够获得稀疏矩阵的转置矩阵(In matrix, if the number of elements 0 is far more than the number of non 0 elements, and the distribution of non 0 elements is not regular, it is called spars