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Simon Maréchal
ST7-Intel
Commits
9a08da0a
Commit
9a08da0a
authored
Mar 31, 2021
by
Emile Prost
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created the sigmoid branch
parent
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Appli-iso3dfd/tools.py
+15
-6
15 additions, 6 deletions
Appli-iso3dfd/tools.py
with
15 additions
and
6 deletions
Appli-iso3dfd/tools.py
+
15
−
6
View file @
9a08da0a
import
argparse
import
re
import
math
import
numpy
as
np
#--------------------------------------------------------------------------
# Cmd line parsing
...
...
@@ -113,11 +114,19 @@ def add_pheromones(tau, paths, costs, Q, n1_size, n2_size, n3_size, n_cbx, n_cby
for
i
in
range
(
len
(
costs
)):
p
=
paths
[
i
,
:]
cost
=
costs
[
i
,
0
]
tau
[
0
,
p
[
0
]]
+=
Q
*
(
-
1
)
*
cost
tau
[
p
[
0
],
p
[
1
]
+
n1_size
]
+=
Q
*
(
-
1
)
*
cost
tau
[
p
[
1
]
+
n1_size
,
p
[
2
]
+
n1_size
+
n2_size
]
+=
Q
*
(
-
1
)
*
cost
tau
[
p
[
2
]
+
n1_size
+
n2_size
,
p
[
3
]
+
n1_size
+
n2_size
+
n3_size
]
+=
Q
*
(
-
1
)
*
cost
tau
[
p
[
3
]
+
n1_size
+
n2_size
+
n3_size
,
p
[
4
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
]
+=
Q
*
(
-
1
)
*
cost
tau
[
p
[
4
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
,
p
[
5
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
+
n_cby
]
+=
Q
*
(
-
1
)
*
cost
tau
[
0
,
p
[
0
]]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
tau
[
p
[
0
],
p
[
1
]
+
n1_size
]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
tau
[
p
[
1
]
+
n1_size
,
p
[
2
]
+
n1_size
+
n2_size
]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
tau
[
p
[
2
]
+
n1_size
+
n2_size
,
p
[
3
]
+
n1_size
+
n2_size
+
n3_size
]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
tau
[
p
[
3
]
+
n1_size
+
n2_size
+
n3_size
,
p
[
4
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
tau
[
p
[
4
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
,
p
[
5
]
+
n1_size
+
n2_size
+
n3_size
+
n_cbx
+
n_cby
]
+=
Q
*
(
-
1
)
*
tools
.
sigmoid
(
cost
-
700
)
return
tau
#--------------------------------------------------------------------------
# Sigmoid
#--------------------------------------------------------------------------
def
sigmoid
(
x
,
lmbda
=
1
/
30
):
res
=
1
/
(
1
+
np
.
exp
(
-
lmbda
*
x
/
100
))
return
res
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