Курсовая работа: Система обработки научных данных

cin>>choice6;

switch(choice6)

{

case 2:

{

for(i=0;i<n;i++)

{

z1 += a[i];

z2 += b[i];

z3 += a[i]*b[i];

z4 += pow(a[i],2);

z5 += pow(b[i],2);

}

float mex = z1/n;

float mey = z2/n;

float cyx = ((z3/n) - mex*mey);

float vx = ((z4/n) - pow(mex,2));

float vy = ((z5/n) - pow(mey,2));

aa = cyx/vx;

bb = mey - mex*aa;

cout<<"\n\n\n a = "<<aa<<"\t b ="<<bb<<endl;

getch();

clrscr();

initialize();

settextstyle(7,HORIZ_DIR,0);

outtextxy(50,30,"BEST CURVE FIT DIAGRAM");

line(50,400,600,400);

line(50,400,50,50);

outtextxy(556,410,"x");