稀疏矩阵

When a large proportion of the elements of A is zero , A is then called sparse.

当A的大多数元素都是零时， 称A为稀疏矩阵。

Optimization techniques for the sparse matrix vector multiplication are adopted in programming.

编程中采用了稀疏矩阵向量相乘的优化技术。

This code implements two sparse matrix addition, subtraction, and multiplication operations.

此程序代码实现了两个稀疏矩阵相加 、 相减和相乘的运算。

Sparse matrix indices must be positive integers.

稀疏矩阵指数必须是正整数。

They could be solved speedily by means of the sparse technique based triangular factorization.

应用稀疏矩阵的三角分解技术可实现对它们的快速求解。