、最小二乘法原理 H=f1(X1,X2,…,X2) Y2=f2(X1,X2…,X n=fn(X1,X2…,X1) y1=f1(x1,x2,…,x) y2=f2(x1,x2…,x) y=f,( 192.…t一、最小二乘法原理 Y f ( X , X ,..., X ) 2 2 1 2 = t Y f ( X , X ,..., X ) 1 1 1 2 = t Y f ( X , X ,..., X ) n n t = 1 2 2 2 1 2 t y f ( x , x ,..., x ) = 1 1 1 2 t y f ( x , x ,..., x ) = n n t 1 2 y f ( x , x ,..., x ) =