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Need to print Matrix Spiral of an image

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Nimit Jain
Nimit Jain on 6 Jul 2016
Closed: John D'Errico on 6 Jul 2016
Hello, I have written a program in Java to spiral print of 2-dimensional array. Now need that in matlab. My image size is (768, 738, 3)
package ArrayAndString;
public class MatrixSpiral {
public static void main(String[] args) {
// TODO Auto-generated method stub
int[][] a = {{1,2,3,4,5,6},
{7,8,9,10,11,12},
{13,14,15,16,17,18}};
System.out.println(a.length+" "+a[0].length);
int row = a.length;
int col = a[0].length;
spiralPath(row, col, a);
}
private static void spiralPath(int m, int n, int[][] a) {
int i, k = 0, l = 0;
/* k - starting row index
m - ending row index
l - starting column index
n - ending column index
i - iterator
*/
while(k<m && l<n)
{
// Print the first row from the remaining rows
for(i=l; i<n;++i)
{
System.out.print(a[k][i]+" ");
}
k++;
/* Print the last column from the remaining columns */
for(i = k;i<m;++i)
{
System.out.print(a[i][n-1]+" ");
}
n--;
/* Print the last row from the remaining rows */
if(k<m)
{
for(i=n-1;i >= l ;--i)
{
System.out.print(a[m-1][i]+" ");
}
m--;
}
/* Print the first column fromthe remaining columns */
if(l<m)
{
for(i = m-1; i>= k; --i)
{
System.out.print(a[i][l]+" ");
}
l++;
}
}
}
}
  3 Comments
John D'Errico
John D'Errico on 6 Jul 2016
It means that we don't write your code for you here. You need to make an effort. After all, this is your homework, not ours.

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