Write a c program find sum of lower triangular elements in a matrix.
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Answer:
#include<stdio.h>
#define max_rows 3
#define max_cols 3
int main()
{
int A[max_rows][max_cols];
int row,col,sum=0;
printf("enter elements in matrix of size %d×%d:\n",max_rows,max_cols);
for(row=0;row<max_rows;row++)
{
for(col=0;col<max_cols;col++)
{
scanf("%d",&A[row][col]);
}
}
for(row=0;row<max_rows;row++)
{
for(col=0;col<max_cols;col++)
{
if(col<row)
{
sum+=A[row][col];
}
}
}
printf("sum of lower triangular matrix=%d",sum);
return 0;
}
Explanation:
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