HP 300s - Page 65

59
A =
B =
= ABx
Power Regression (A
⋅ X^B)
y = AX
B
A =
B =
= Ax
B
Inverse Regression (1/X)
A =
B =
yln Bx

•–

n
--------------------------------------
exp
nxyx yln

•

–ln

•
nx
2
x

()
2
–

•
-------------------------------------------------------------
r
nxyx yln

•

–ln

•
nx
2
x

()
2
–

•



nyln()
2
yln

()
2
–

•



-------------------------------------------------------------------------------------------------------------------=
x
ˆ
yln Aln–
B
-----------------------=
y
ˆ
yln Bxln

•–

n
--------------------------------------------
exp
nxy xln yln

•

–ln

•
nxln()
2
xln

()
2
–

•
-------------------------------------------------------------------
r
nxyxyln

•ln

–lnln

•
nxln()
2
xln

()
2
–

•



nyln()
2
yln

()
2
–

•



-----------------------------------------------------------------------------------------------------------------------------------=
x
ˆ
e
yln Aln–
B
-----------------------
=
y
ˆ
yA
B
X
---+=
yB x
1

•–

n
-----------------------------------
Sxy
Sxx
---------
r
Sxy
Sxx Syy•
----------------------------=
Sxx x
1–

()
2
x
1

()
2
n
------------------–=