Next, choose_row1 and choose_row2 are variables.

choose_row1 = 3;
choose_row2 = 4;

And you’ll be swapping rows 3 and 4.

I also think I’m the wrong person to ask. A programming forum might be more helpful for you, because I believe you’re still struggling with the basics of programming logic. You’ll get faster help, and more information on what you intend to achieve.

#include
#include
#include
#include
using namespace std;

void swapping(int **Matrix,int Choose_Rows1,int Choose_Rows2,int Number_columns)
{
int temp=0;
for(int i=0; i<Number_columns; i++)
{
temp=Matrix[Choose_Rows1][i];
Matrix[Choose_Rows1][i]=Matrix[Choose_Rows2][i];
Matrix[Choose_Rows2][i]=temp;
}
}

int main(int argc, char* argv[])
{
int Number_Rows;
int Number_columns;
int **Matrix;

cout<<"Please enter Number of Rows : "<>Number_Rows;
cout<<endl;

cout<<"Please enter the Number of columns : "<>Number_columns;
cout<<endl;

Matrix=new int*[Number_Rows];
for(int i=0; i<Number_columns; i++)
{
Matrix[i]=new int [Number_columns];
}
cout<<endl<<"enter Matrix :"<<endl;
for(int i=0; i<Number_Rows; i++)
{
for(int j=0; j>Matrix[i][j];
}

}
cout<<endl;

int Choose_Rows1;
int Choose_Rows2;

cout<<"Choose_Rows1 : "<>Choose_Rows1;
cout<<endl;

cout<<"Choose_Rows2 : "<>Choose_Rows2;
cout<<endl;
while(Choose_Rows1=0&&Choose_Rows2=0)
{
swapping(Matrix,Choose_Rows1,Choose_Rows2,Number_columns);
cout<<endl;
for(int i=0; i<Number_Rows; i++)
{
for(int j=0; j<Number_columns; j++)
{
cout<<Matrix[i][j];
cout<<" ";
}
cout<<endl;
}
cout<<endl;
cout<<"Choose_Rows1 : "<>Choose_Rows1;
cout<<endl;

cout<<"Choose_Rows2 : "<>Choose_Rows2;
cout<<endl;
}
cout<<"Press Any Key To End";
getch();
return 0;
}

this code are for choose_row1 and choose_row2 operation..can u upgrade this code to add the choose_row3 and choose_row4..

#include
#include

void swap(int *i, int *j)
{
int t;
t = *i;
*i = *j;
*j = t;
}

void main()
{
int a,b;
a=5;
b=10;
printf(“%d %dn”,a,b);
swap(&a,&b);
printf(“%d %dn”,a,b);

getch();
return 0;
}

what about the first column of matrix A swap with last column of matrix A?..

i have the question about the example of the coding to flip the matrix A = 1 2 3 4 5
1 2 4 5 6
3 4 5 6 7
4 3 2 1 4
3 4 2 4 5

to be matrix A = 5 4 3 2 1
6 5 4 2 1
7 6 5 4 3
4 1 2 3 4
5 4 2 4 3

The slide shown the 3×3 size matrix. What about the 5×5 size matrix. How to flip the 2 column and the 2 row of matrix A and matrix B.

http://www.cs.ucf.edu/courses/cot4810/fall04/presentations/Systolic_Arrays.ppt

The trick I believe, is in manipulating the array index, and that there is a separate variable belong to each array cell (or processor register) that stores the intermediate result.

I would imagine say the top-left cell to take in
A[0,0]*B[0,0] at T=1 (for example).

Then at T=2, it takes in A[0,1]*B[1,0] and adds it to its intermediate (register) value.

At T=3, it takes in A[0,2]*B[2,0].

So the general formula for the top-left cell is
A[0,T-1]*B[T-1,0] at time T

The thing is, the formula is different for each cell. So you’ll have to figure it out. Just write down all the input index for each cell, and find a pattern regarding the indices from the input.

There will be edge conditions, such as what happens when T=0 for an index T-1? You don’t do anything when that happens.