User manual - fx-50F_PLUS

Ck-46
!֓۽࢐ߥ!
த૚ ࣜ๻ާ෷
࢐ߥާ෷وիื࿾ b
a = exp
(
)
n
Σ
lny
i
– b
.
Σ
lnx
i
࢐ߥ࿅ื c
b =
n
.
Σ
(
ln
x
i
)
2
–
(
Σlnx
i
)
2
n
.
Σlnx
i
ln
y
i
– Σlnx
i
.
Σ
lny
i
࿰ߔ࿅ื s
r =
{n
.
Σ
(
ln
x
i
)
2
–
(
Σlnx
i
)
2
}{n
.
Σ
(
ln
y
i
)
2
–
(
Σlny
i
)
2
}
n
.
Σlnx
i
ln
y
i
– Σlnx
i
.
Σ
lny
i
޼ࣜ቗
m
m
= e
b
ln y – ln a
޼ࣜ቗
n
n = ax
b
!௬࢐ߥ!
த૚ ࣜ๻ާ෷
࢐ߥާ෷وիื࿾ b
a =
n
Σy
i
– b
.
Σx
i
–1
࢐ߥ࿅ื c
b =
Sxx
Sxy
࿰ߔ࿅ื s
r =
Sxx
.
Syy
Sxy
!دกLj!!!!!!
!
!!
த૚ ࣜ๻ާ෷
޼ࣜ቗
m
m
=
y – a
b
޼ࣜ቗
n
n = a+
x
b
Sxx = Σ(x
i
–1
)
2
–
Syy = Σy
i
2
–
Sxy = Σ(x
i
–1
)y
i
–
n
(Σx
i
–1
)
2
n
Σx
i
–1
.
Σy
i
n
(Σy
i
)
2
Sxx = Σ(x
i
–1
)
2
–
Syy = Σy
i
2
–
Sxy = Σ(x
i
–1
)y
i
–
n
(Σx
i
–1
)
2
n
Σx
i
–1
.
Σy
i
n
(Σy
i
)
2