HP Calcolatrice scientifica HP 300s - Manuale (Pagina 69)

62
Regressione esponenziale ab (A
⋅
B^X)
y = AB X
A =
B =
= ABx
Regressione di potenza (A
⋅
X^B)
y = AX B
A =
B =
= Ax B
Regressione inversa (1/X)
A =
B =
y ln B x  • – 
n
-------------------------------------- exp
n x y x y ln  •  – ln  •
n x
2
x  ( ) 2
–  •
-------------------------------------------------------------
r
n x y x y ln  •  – ln  •
n x 2 x  ( ) 2 –  • { } n y ln ( ) 2 y ln  ( ) 2 –  • { }
------------------------------------------------------------------------------------------------------------------ =
xˆ
y ln A ln –
B
----------------------- = yˆ
y ln B x ln  • – 
n
-------------------------------------------- exp
n x y x ln y ln  •  – ln  •
n x ln ( ) 2 x ln  ( ) 2 –  •
-------------------------------------------------------------------
r
n x y x y ln  • ln  – ln ln  •
n x ln ( ) 2 x ln  ( ) 2 –  • { } n y ln ( ) 2 y ln  ( ) 2 –  • { }
----------------------------------------------------------------------------------------------------------------------------------- =
xˆ e
y ln A ln –
B
-----------------------
=
yˆ
y A
B
X
--- + =
y B x
1  • – 
n
-----------------------------------
Sxy
Sxx
---------
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