Selasa, 27 Januari 2009

#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]=3;
xi[1]=5;
xi[2]=12;
xi[3]=12;
xi[4]=35;
xi[5]=6;
xi[6]=11;
yi[0]=22.0;
yi[1]=23.5;
yi[2]=12.0;
yi[3]=24.4;
yi[4]=13.5;
yi[5]=2.5;
yi[6]=5.5;

;

cout<
cout<<"x dan y adalah"<
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 = "<<
cout<
xi_rata2= sigma_xi/n;
cout<<"x rata2 = "<<

for (x=0;x<=6;x++)
{
cout<<"y = "<<
}
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"<
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<
cout<<"nilai x kuadrat"<
for (x=0;x<=6;x++)
{
xi2=xi[x]*xi[x];
cout<<"x2 ="<<
}
cout<
cout<<"nilai sigma x kuadrat"<
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 = "<<

a0= (yi_rata2)-(a1*xi_rata2);
cout<<"nilai a0 adalah"<
cout<
cout<<"a0 = "<<





}

Sabtu, 24 Januari 2009

Pengurangan matrik






#include
#include
void main()
{
int baris, kolom;
int i, j;
int A[25][25];
int B[25][25];
int X[25][25];
cout<<"Nama : Khaidir"<
cout<<"NIM : 0508002010051"<
cout<<"Prodi : D3-Inskom"<
cout<<"==============================="<
cout<
/******* Masukkan ordo *******/
printf("masukkan ordo baris = ");
scanf("%i",&baris);
printf("masukkan ordo kolom = ");
scanf("%i",&kolom);
/******* Masukkan matriks A *******/
for(i=0;i
{ for(j=0;j
{ printf("input data matrik A[%i][%i] : ",i+1,j+1);
scanf("%i",&A[i][j]);
}
}
/******** Masukkan matriks B ********/
for(i=0;i
{ for(j=0;j
{ printf("input data matrik B[%i][%i] : ",i+1,j+1);
scanf("%i",&B[i][j]);
}
}
/******** Proses penjumlahan matriks A dan B ********/
for(i=0;i
{ for(j=0;j
{ X[i][j]=A[i][j]-B[i][j];
}
}
/******** Cetak isi matriks A ********/
printf("\n matrik A\n");
for(i=0;i
{ for(j=0;j
printf("%6i",A[i][j]);
printf("\n");
}
printf("\n");
/******** Cetak isi matriks B *******/
printf("\n matrik B\n");
for(i=0;i
{ for(j=0;j
printf("%6i",B[i][j]);printf("\n");
}
printf("\n");
/******** Cetak hasil penjumlahan matriks A dan B *******/
printf("\n matrik pengurangan A-B\n");
for(i=0;i
{ for(j=0;j
printf("%6i",X[i][j]);printf("\n");
}
printf("\n\n");
}

Penjumlahan Matrik