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jadtaphon chinnapan
numer-60-2
Commits
c83bfe69
Commit
c83bfe69
authored
Feb 22, 2018
by
Aruchira
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8 additions
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14 deletions
+8
-14
hw06.py
week06/hw06.py
+8
-14
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week06/hw06.py
View file @
c83bfe69
def
ge
(
A
,
b
):
def
CJ
(
A
,
b
):
import
numpy
n
=
len
(
b
)
n
=
len
(
b
)
for
j
in
range
(
0
,
n
-
1
):
for
j
in
range
(
0
,
n
-
1
):
...
@@ -7,17 +9,9 @@ def ge(A, b):
...
@@ -7,17 +9,9 @@ def ge(A, b):
A
[
i
,
j
:
n
]
=
A
[
i
,
j
:
n
]
-
lam
*
A
[
j
,
j
:
n
]
A
[
i
,
j
:
n
]
=
A
[
i
,
j
:
n
]
-
lam
*
A
[
j
,
j
:
n
]
b
[
i
]
=
b
[
i
]
-
lam
*
b
[
j
]
b
[
i
]
=
b
[
i
]
-
lam
*
b
[
j
]
x
=
b
.
copy
()
for
k
in
range
(
n
-
1
,
-
1
,
-
1
):
print
(
'U='
,
A
)
x
[
k
]
=
(
b
[
k
]
-
dot
(
a
[
k
,
k
+
1
:
n
],
x
[
k
+
1
:
n
]))
/
a
[
k
,
k
]
print
(
'C='
,
d
)
print
(
x
)
import
numpy
as
np
A
=
np
.
array
([
[
4
,
-
2
,
1
],
[
-
2
,
4
,
-
2
],
[
1
,
-
2
,
4
]
],
float
)
b
=
np
.
array
([
11
,
-
16
,
17
],
float
)
ge
(
A
,
b
)
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