Programalama > C++

/* GAUSS-JORDAN INDIRGEME YONTEMI
  SELCUK UNV.BYL.MÜH.TEZSYZ YÜKSEK LYSANS 
  SAYISAL ANALYZ DERSY ÖDEV - 2 
  HAZIRLAYAN MAHMUT ACAR (...1043)
*/


#include <iostream>
#include <stdlib.h>

using namespace std;
float HazirDizi( float a[3][4]); // Hazyr girilmis bir dizinin kullanylmasy 
float DiziGiris(float a[3][4]);  // kullanycynyn kendi dizisini girebilmesi 
int main(int argc, char *argv[])
{  // de?i?kenlerin tanymlanmasy
    int a,i,j,satir,sutun;
    float p1,p2;
    string secim="e";
    p1,p2=0;
    satir=3;
    sutun=satir+1; 
    float q[3][4];

system("cls");
cout<<" \n HAZIR DIZIYI KULLANMAK ISTER MISINIZ ? (e/h)";
cin>>secim;
if ((secim=="e") or (secim=="E")) HazirDizi(q); else DiziGiris(q);


 // pivot elemana bölüyoruz
    for ( j=0; j<sutun;j++){
         p1=q[0][0];
               q[0][j]/=p1;
        }

      
cout<<"---------------------------\n";               
    for (i=0; i<(satir-1); i++){
                for(a=i+1; a<satir; a++){
                    p1=q[a][i]; 
                    for(j=0; j<sutun; j++){ q[a][j]=q[a][j]/p1;} // satyry pivot elemana böl
                    p2=q[i][i];
                    for(j=0; j<4; j++){q[a][j]=q[a][j]-(q[i][j]/p2);}// sütünlara göre syfyrla 
                }
            }
//  
 for( i=0;i<satir;i++){ 
      p1=q[i][i];
      for (j=0;j<sutun;j++){ 
          q[i][j]=q[i][j]/p1; }
      }

 for(a=(satir-2); a>-1; a--){
      for(i=(satir-1); i>a; i--){
       p1=q[a][i];
       for (j=1; j<sutun; j++){ q[a][j]=q[a][j]-(p1*q[i][j]);}
      }
  }            
  cout<<"\nElde Edilen Dizi \n";                   
  for( i=0;i<satir;i++){ 
        for (j=0;j<sutun;j++){
        cout<<q[i][j]<<"  ";}
      cout<<endl; }

  cout<<endl;

  for (i=0; i<satir;i++){ cout<<" X"<<i<<"="<<q[i][3]<<endl;}

  system("PAUSE");	
  return 0;

}

float HazirDizi( float a[3][4])
{
    a[0][0]=1;     a[0][1]=-1;     a[0][2]=5;     a[0][3]=10;
    a[1][0]=2;     a[1][1]=1;      a[1][2]=1;     a[1][3]=5;
    a[2][0]=-3;    a[2][1]=-2;     a[2][2]=3;     a[2][3]=-2;

cout<<"-------Giris Dizisi--------\n";                   
  for( int w=0; w<3 ;w++){  for (int t=0; t<4;t++){
      if (t<3) cout<<" "<<a[w][t]<<" X"<<t+1<<" "; else cout<<"="<<a[w][t];
       } cout<<endl; }
return a[3][4];
} 

float DiziGiris( float a[3][4])
{
    system("cls");
    cout<<"\nDizinin Katsayilarini Giriniz\n\n";
    for (int w=0;w<3;w++){
        for (int t=0; t<4;t++){ if (t<3) {cout<<"X"<<t+1<<"=";cin>>a[w][t];} else {cout<<"Y=";cin>>a[w][t];} }
        }
cout<<"-------Giris Dizisi--------\n";                   
  for( int w=0; w<3 ;w++){  for (int t=0; t<4;t++){ 
      if (t<3) cout<<" "<<a[w][t]<<" X"<<t+1<<" "; else cout<<"="<<a[w][t];
       } cout<<endl; }    
}

mahmut acar
acarmahmut@hotmail.com