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Nattapong Samanpong
numer-60-2
Commits
0eb7ba7e
Commit
0eb7ba7e
authored
Feb 22, 2018
by
Aruchira
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3 changed files
with
48 additions
and
6 deletions
+48
-6
ge.py
week05/ge.py
+16
-6
hw06.py
week06/hw06.py
+17
-0
readme.md
week06/readme.md
+15
-0
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week05/ge.py
View file @
0eb7ba7e
# 59110440156
# nattapong samanpong
def
ge
(
A
,
b
):
#59110440156
#นายณัฐพงษ์ สมานพงษ์
def
ge
(
A
,):
pass
def
solve
(
A
,
b
):
pass
def
solve
(
A
,
b
):
import
numpy.linalg
result
=
numpy
.
linalg
.
solve
(
A
,
b
)
for
x
in
result
print
(
'Sx_l{}S'
.
format
(
x
))
#5x3
m
,
n
=
map
(
int
,
input
()
.
split
(
'x'
))
print
(
n
,
m
)
A
=
[]
for
i
in
rang
(
m
)
A
.
apprnd
(
list
(
map
(
int
,
inpt
()
.
split
(
','
))))
print
(
n
,)
b
=
list
(
map
(
int
,
input
()
.
split
(
','
)))
week06/hw06.py
0 → 100644
View file @
0eb7ba7e
def
CJ
(
A
,
b
):
import
numpy
n
=
len
(
b
)
for
j
in
range
(
0
,
n
-
1
):
for
i
in
range
(
j
+
1
,
n
):
lam
=
A
[
i
,
j
]
/
A
[
j
,
j
]
A
[
i
,
j
:
n
]
=
A
[
i
,
j
:
n
]
-
lam
*
A
[
j
,
j
:
n
]
b
[
i
]
=
b
[
i
]
-
lam
*
b
[
j
]
print
(
'U='
,
A
)
print
(
'C='
,
d
)
week06/readme.md
0 → 100644
View file @
0eb7ba7e
def ge(A, b):
# 1. elimination
n = len(b)
for j in range(0, n-1): # pivot equation
for i in range(j+1, n):
lam = A
[
i,j
]
/A
[
j,j
]
A
[
i,j:n
]
= A
[
i, j:n
]
- lam
*
A
[
j, j:n
]
b
[
i
]
= b
[
i
]
- lam
*
b
[
j
]
x = b.copy()
for k in range(n-1, -1, -1):
x
[
k
]
= (b
[
k
]
- np.dot(A
[
k,k+1:n
]
, x
[
k+1:n
]
))/A
[
k,k
]
print(x)
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