Lines Matching defs:x2b
46 int x2b;
426 int xa=0,ya=0,x2a=0,y2a=0,xya=0,na=0, xb=0,yb=0,x2b=0,y2b=0,xyb=0,nb=0;
446 x2b += i*i;
463 a->x2b=x2b;
473 double xb=0,yb=0,x2b=0,y2b=0,xyb=0,bn=0;
483 x2b+=a[i].x2b + a[i].x2a * weight;
492 x2b+= x0 * x0;
501 x2b+= x1 * x1;
508 double denom=(bn*x2b-xb*xb);
511 double a=(yb*x2b-xyb*xb)/denom;