Mencari Nilai Kuadrat

#include
void main()
{
int xi[7];
float yi[7];
double xiyi;
int xi2;
int x;
int sigma_xi;
double xi_rata2;
double sigma_yi;
double yi_rata2;
double sigmaxiyi;
double sigma_xi2;
double a1;
double a0;
int n=7;
double hasil1;
double hasil2;
xi[0]=4;
xi[1]=3;
xi[2]=1;
xi[3]=7;
xi[4]=9;
xi[5]=6;
xi[6]=9;
yi[0]=15;
yi[1]=20;
yi[2]=19;
yi[3]=17;
yi[4]=13;
yi[5]=29;
yi[6]=18;


cout<<”x dan y :”< cout<
for (x=0;x<=6;x++)
{
cout<<”xi = “< }
cout< sigma_xi = xi[0]+xi[1]+xi[2]+xi[3]+xi[4]+xi[5]+xi[6];
cout<<”sigma x = “<
xi_rata2= sigma_xi/n;
cout<<”x rata2 = “< cout<
for (x=0;x<=6;x++)
{
cout<<”y = “< }
cout< sigma_yi = yi[0]+yi[1]+yi[2]+yi[3]+yi[4]+yi[5]+yi[6];
cout<<”sigma y = “<
yi_rata2= sigma_yi/n;
cout<<”y rata2 = “<
cout<<”nilai x.y”< cout< for (x=0;x<=6;x++)
{
xiyi=xi[x]*yi[x];
cout<<”x.y = “< }
cout< cout<<”nilai sigma x.y”<
sigmaxiyi = xi[0]*yi[0]+xi[1]*yi[2]+xi[3]*yi[4]+xi[5]*yi[6]
+xi[4]*yi[4]+xi[5]*yi[5]+xi[6]*yi[6];
cout<<”sigma x.y =”<
cout<<”nilai x kuadrat”< cout< for (x=0;x<=6;x++)
{
xi2=xi[x]*xi[x];
cout<<”x2 =”< }
cout< cout<<”nilai sigma x kuadrat”< cout< sigma_xi2 = xi[0]*xi[0]+xi[1]*xi[2]+xi[3]*xi[4]+xi[5]*xi[6]
+xi[4]*xi[4]+xi[5]*xi[5]+xi[6]*xi[6];
cout<<”sigma xy = “< a1= ((n*sigmaxiyi)-(sigma_xi*sigma_yi))
/((n*sigma_xi2)-(sigma_xi*sigma_xi));
cout<< “nilai a1″< cout< cout<<”a1 = “< cout< a0= (yi_rata2)-(a1*xi_rata2);
cout<<”nilai a0 adalah”< cout< cout<<”a0 = “< cout< }

Pengurangan Matriks

#include
int main () {
int i, j;
int A[2][2], B[2][2], C[2][2];
A[0][0] = 4;
A[0][1] = 6;
A[1][0] = 7;
A[1][1] = 2;
B[0][0] = 3;
B[0][1] = 7;
B[1][0] = 8;
B[1][1] = 1;
cout<<”Hasil :”<cout<for(i=0; i<=1; i++)
{
for(j=0; j<=1; j++)
{
C[i][j] = A[i][j] - B[i][j];
cout<}
cout<}
return 0;
}

Penjumlahan Matriks 2 (Dua) Dimensi

#include
#include
int main(){
int A[2][2] = {{2,5}, {3,8}};
int B[2][2] = {{4,6}, {1,7}};
int C[2][2];
int baris, kolom;
cout<<”C[baris][kolom] = A[baris][kolom] + B[baris][kolom]“<cout<cout<<”Hasil :”<for(baris = 0; baris <2; baris++)
{
for(kolom = 0; kolom <2; kolom++)
{
C[baris][kolom] = A[baris][kolom] + B[baris][kolom];} // menjumlahkan matriks.
}
for(baris = 0; baris <2; baris++)
{
for(kolom = 0; kolom <2; kolom++)
{
cout<}
}
return 0;
}