. , , ,
, .
:
X=fl(x,y),Y=f2(x,y) (3)
= + b (4)
X Y (3). ,
( Y) b ( X): b=tgb=(Yi-a)/Xi
b, (4) , Y=0 =0. Yi Xi .
. (4) , . , b. b (4), Y X, (1).
: , :
X | |||||||
Y | 12,1 | 19,2 | 25,9 | 33,3 | 40,5 | 46,4 | 54,0 |
, , , , (2). (2). , +7b= 54,0; +1b= 12,1, b= 41,9/6=6,98 =12,16,98=5,12. = 5,12+6,98.
, .
, .. .
- , .
, . , , 1,
y = b (5)
X=lgx Y=lgy, Y=lga+bX. .
, 1 ,
|
|
y = b (6)
Y=Igy Y=lga+bxlge. .
, 1,
= + axb (7)
b, =, =+. b, X=lgx Y=lg(y ), , Y=lga+bX.
. 1, y1; 2, y2 x3= √x1x2; y3
(8)
, 1,
y=c+ + bx ( 9 )
1 -
Y=lg(y ) :
Y=lga + bxlge, (10)
, (8).
3 = 0,5(1+2).
, 1,
y=a+b/x (11)
x=l/z y=a+bz.
, 1,
=1/(+b) (12)
y=l/z, z=a+bx, .. .
,
y=1/(a+bx+ cx 2) ( 13 )
y=l/z z=a+bx+ cx 2.
: , :
X | 1,5 | 2,0 | 2,5 | 3,0 | 3,5 | 4,0 | 4,5 | |
15,2 | 20,6 | 27,4 | 36,7 | 49,2 | 66,0 | 87,4 | 117,5 |
( 2), ,
16 - bx.
2 - .
lgy=lga-bxlge.
lgy=Y, Y= Iga+bxlge, .. Y ( 2). IgI 5,2=lga+blge lgII7,5=lga+4,5blge.
,
lga+ blge=1,183
Iga+4,5 blge=2,070
b=0,887/(3,5lge) =0,579; lga=l,183-0,254=0,929\ 'a=l,85.
=I,85*0,579x.
=+1+ 2 2+3 3... m m (14)
, , , .
(0, 1, 2..... m), .