如何在C ++中创建20000 * 20000矩阵 [英] how to create a 20000*20000 matrix in C++

问题描述

我尝试用20000个点计算问题，所以有一个距离矩阵为20000 * 20000的元素，如何在C ++中存储此矩阵?我在具有4 GB RAM的计算机上使用Visual Studio 2008.任何建议将不胜感激.

I try to calculate a problem with 20000 points, so there is a distance matrix with 20000*20000 elements, how can I store this matrix in C++? I use Visual Studio 2008, on a computer with 4 GB of RAM. Any suggestion will be appreciated.

推荐答案

稀疏矩阵可能就是您想要的.许多问题在矩阵的每个单元中都不具有值. SparseLib ++ 是一个允许高效矩阵运算的库.

A sparse matrix may be what you looking for. Many problems don't have values in every cell of a matrix. SparseLib++ is a library which allows for effecient matrix operations.

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