質問編集履歴
1
コードを少し変更しました（途中で変数を使わず）が、エラーは同じです。
title
CHANGED
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File without changes
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body
CHANGED
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@@ -2,16 +2,17 @@
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2
2
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c = a * a + b * b
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3
3
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TypeError: Non-constant expressions cannot be multiplied
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4
4
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がでてきます。
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5
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-
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5
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+
```python
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6
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+
コード
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6
7
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from pulp import *
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7
8
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import matplotlib.pyplot as plt
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8
9
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9
10
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W = 20
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10
11
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UB = 30
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11
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-
a =
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12
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+
a = []
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12
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-
b =
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13
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+
b = []
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13
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-
c =
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14
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+
c = []
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14
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-
sum_radius =
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15
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+
sum_radius = []
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15
16
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16
17
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n = 6
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17
18
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r = [3, 2, 1, 3, 3, 2]
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@@ -27,13 +28,10 @@
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27
28
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28
29
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for i in range(n):
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29
30
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for j in range(n):
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31
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+
m += {{(x[j] - x[i]) * (x[j] - x[i])} + {(y[j] - y[i]) * (y[j] - y[i])}} >= {(r[i] + r[j]) * (r[i] + r[j])}
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30
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-
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32
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+
if i < j:
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31
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-
b = (y[i] - y[j])
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32
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-
c = a * a + b * b
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33
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-
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33
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+
m += u[i][j] + u[j][i] + v[i][j] + v[j][i] >= 1
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34
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-
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34
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+
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35
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-
m += c >= sum_radius
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36
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-
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37
35
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for i in range(n):
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38
36
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m += x[i] <= W-r[i]
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39
37
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m += y[i] <= H-r[i]
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@@ -65,4 +63,5 @@
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65
63
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plt.ylabel("depth")
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66
64
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67
65
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fig.savefig("test1.png")
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68
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-
plt.show()
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66
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+
plt.show()
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67
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+
```
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