C ++ MTL matrix Scale example (organizer by Robinkin from Devonit.inc)

/ / - * - C - * -

//

/ / $ CopyRight $

//

/ / =========================================================================================================================================================================================== ===========================

#include

Using namespace std;

#include

#include

#include

/ *

Sample Output

Before Scaling Row 2:

3x3

[

[5, 5.5, 6],

[2.5, 3, 3.5],

[1, 1.5, 2]

]

After Scaling Row 2:

3x3

[

[5, 5.5, 6],

[5, 6, 7],

[1, 1.5, 2]

]

* /

Using namespace MTL;

Typedef Matrix , Dense <>, Row_major> :: Type Matrix

int

Main ()

{

Const matrix :: size_type n = 3;

Matrix a (n, n);

A (0, 0) = 5; A (0, 1) = 4; A (0, 2) = 3;

A (1,0) = 2.5; A (1, 1) = 3; A (1, 2) = 3.5;

A (2,0) = 1; A (2, 1) = 1.5; A (2, 2) = 2;

Cout << Endl;

COUT << "Before Scaling Row 2: << Endl;

Print_all_matrix (a);

Double scal = a (0, 0) / a (1, 0);

Copy (Scaled (A [1], Scal), A [1]);

Cout << "after scaling Row 2: << Endl;

Print_all_matrix (a);

Return 0;

}