#include "mtl/matrix.h"
#include "mtl/mtl.h"
#include "mtl/utils.h"
/*
Swaps the first row with the row that has the largest element in
column 1. This is the kind of operation one would do inside a
Gaussian elimintation algorithm.
Sample Output
3x3
[
[1,1.5,4.5],
[3,2.5,9.5],
[2,3.5,5.5]
]
3x3
[
[3,2.5,9.5],
[1,1.5,4.5],
[2,3.5,5.5]
]
*/
using namespace mtl;
using namespace std;
int
main()
{
//begin
typedef matrix< double,
rectangle<>,
dense<external>,
&nbs
#include "mtl/mtl.h"
#include "mtl/utils.h"
/*
Swaps the first row with the row that has the largest element in
column 1. This is the kind of operation one would do inside a
Gaussian elimintation algorithm.
Sample Output
3x3
[
[1,1.5,4.5],
[3,2.5,9.5],
[2,3.5,5.5]
]
3x3
[
[3,2.5,9.5],
[1,1.5,4.5],
[2,3.5,5.5]
]
*/
using namespace mtl;
using namespace std;
int
main()
{
//begin
typedef matrix< double,
rectangle<>,
dense<external>,
&nbs

本文展示了如何使用C++的MTL库进行矩阵行交换操作,具体是在Gaussian消元算法中可能会用到的步骤。示例代码创建了一个3x3的矩阵,并找出第一列中最大元素所在的行,然后将第一行与该行交换。通过print_all_matrix函数输出交换前后的矩阵,以直观展示操作效果。
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