用户说明书

Ck-58
த૚ ࣜ๻ާ෷
޼ࣜ቗
m
1
m
1 =
2c
– b +
b
2
– 4c
(
a – y
)
޼ࣜ቗
m
2
m
2 =
2c
– b –
b
2
– 4c
(
a – y
)
޼ࣜ቗
n
n
= a + bx + cx
2
ڶื࢐ߥ
த૚ ࣜ๻ާ෷
࢐ߥާ෷وի
ื࿾ b
a =
n
Σy
i
– b
.
Σlnx
i
࢐ߥ࿅ื c
b =
n
.
Σ
(
ln
x
i
)
2
–
(
Σlnx
i
)
2
n
.
Σ
(
ln
x
i
)y
i
– Σlnx
i
.
Σy
i
࿰ߔ࿅ื s
r =
{n
.
Σ
(
ln
x
i
)
2
–
(
Σlnx
i
)
2
}{n
.
Σy
i
2
–
(
Σy
i
)
2
}
n
.
Σ
(
ln
x
i
)y
i
– Σlnx
i
.
Σy
i
޼ࣜ቗
m
m = e
y – a
b
޼ࣜ቗
n
n = a + bln
x
e
!ቚื࢐ߥ
த૚ ࣜ๻ާ෷
࢐ߥާ෷و
իื࿾ b
a = exp
( )
n
Σ
lny
i
– b
.
Σx
i
࢐ߥ࿅ื c
b =
n
.
Σx
i
2
–
(
Σx
i
)
2
n
.
Σx
i
ln
y
i
– Σx
i
.
Σ
lny
i