please do this.. i have exam tomorrow
souvikdas5 (1)

#include<stdio.h>
#include<stdlib.h>
int trans(int ,int ,int ,int);
int main()
{
int
m1,m2,mul;
int m,n,i,j,flag=1;
printf("enter range for first matrix");
scanf("%d %d",&m,&n);
m1=(int*)malloc(msizeof(int));
for(i=0;i<m;i++)
{
(m1+i)=(int)malloc(nsizeof(int));
}
if(m!=n)
{
printf("not be orthogonal");
}
else
{
printf("enter element");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",((m1+i)+j));
}
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
(
((m2+j)+i))=(((m1+i)+j));
}
}
mul=trans(m1,m2,m,n);
}
printf("the elements are \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
if(i==j&&(
((mul+i)+j))!=1)
flag=0;
if(i!=j&&(
(*(mul+i)+j))!=0)
flag=0;
}
}
if(flag==1)
{
printf("Given Matrix is Orthogonal Matrix\n");
}
else
{
printf("Given Matrix is not an Orthogonal Matrix\n");
}

}

int trans(int m1,int m2,int m,int n)
{
int
p= NULL;
int i,j,sum,k;
p=(int*)malloc(msizeof(int));
for(i=0;i<m;i++)
{
(p+i)=(int)malloc(nsizeof(int));
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{sum=0;
for(k=0;k<n;k++)
{
sum=sum+(((m1+i)+k))(((m2+k)+j));
}
(
(*(p+i)+j))=sum;
}
}
return p;
}

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souvikdas5 (1)

@theangryepicbanana thats ok.. i've solved it ... didn't initialize the m2 there