# Find upper and lower diagonal of 3x3 matrices

Discussion in 'C' started by Ziaur Rahman, Oct 26, 2006.

1. ### Ziaur RahmanNew Member

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The code to find upper and lower diagonal of 3x3 matrices

Code:
```#include<conio.h>
#include<stdio.h>
void main()
{
int a[3][3],i,j,k;
clrscr();
printf("\n Enter a Matrix 3x3:\n\n");
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
scanf("%d",&a[i][j]);
}
}
/* Displaying entered matrix 3x3*/
printf("\n The Matrix is:-\n");
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
printf("%d\t",a[i][j]);
}
printf("\n");
}
printf("\n");
printf("\n Lower diagonal:\n\n");
for(i=1;i<=2;i++)
{
for(j=0;j<i;j++)
{
printf("%d\t",a[i][j]);
}
printf("\n");
}
printf("\n \n");
printf("\n Upper diagonal\n");
for(i=0;i<2;i++)
{
for(j=i+1;j<=2;j++)
{
if(i==1)
{
printf("        ");
printf("%d",a[i][j]);
}
else
printf("%d\t",a[i][j]);

}
printf("\n");
}
getch();
}```

2. ### aisha.ansari84New Member

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i find some problem

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