//Finds something called the norm of a matrix
#include <stdio.h>
#include <math.h>
int main()
{
int rows,columns;
int i,j;
int a[i][j];
int norm=0,sqnorm=0;
printf("Enter the number of columns of ya matrix: ");
printf("What about columns?\n");
printf("Enter the elements of the matrix: "); for(i=0;i<rows;++i)
{
for(j=0;j<columns;++j)
{
sqnorm+=a[i][j];
}
}
norm
=pow(sqnorm
,(1.0/2));
printf("The norm of this matrix is %d",norm
); }
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