回答編集履歴
2
間違いの修正
test
CHANGED
|
@@ -14,7 +14,7 @@
|
|
|
14
14
|
|
|
15
15
|
```python
|
|
16
16
|
|
|
17
|
-
>>> solve([a, b], [d
|
|
17
|
+
>>> solve([a, b], [c,d])
|
|
18
18
|
|
|
19
19
|
```
|
|
20
20
|
|
|
@@ -22,7 +22,7 @@
|
|
|
22
22
|
|
|
23
23
|
```python
|
|
24
24
|
|
|
25
|
-
>>> solve([c+d, c-d], [d
|
|
25
|
+
>>> solve([c+d, c-d], [c,d])
|
|
26
26
|
|
|
27
27
|
```
|
|
28
28
|
|
|
@@ -36,7 +36,7 @@
|
|
|
36
36
|
|
|
37
37
|
>>> a,b,c,d = symbols("a b c d")
|
|
38
38
|
|
|
39
|
-
>>> solve([-a+d+c, -b+d-c], [d
|
|
39
|
+
>>> solve([-a+d+c, -b+d-c], [c,d])
|
|
40
40
|
|
|
41
41
|
```
|
|
42
42
|
|
|
@@ -50,6 +50,6 @@
|
|
|
50
50
|
|
|
51
51
|
>>> e2 = -b+d-c
|
|
52
52
|
|
|
53
|
-
>>> solve([e1, e2], [d
|
|
53
|
+
>>> solve([e1, e2], [c,d])
|
|
54
54
|
|
|
55
55
|
```
|
1
追記
test
CHANGED
|
@@ -10,6 +10,26 @@
|
|
|
10
10
|
|
|
11
11
|
|
|
12
12
|
|
|
13
|
+
よって、
|
|
14
|
+
|
|
15
|
+
```python
|
|
16
|
+
|
|
17
|
+
>>> solve([a, b], [d,c])
|
|
18
|
+
|
|
19
|
+
```
|
|
20
|
+
|
|
21
|
+
は単に、
|
|
22
|
+
|
|
23
|
+
```python
|
|
24
|
+
|
|
25
|
+
>>> solve([c+d, c-d], [d,c])
|
|
26
|
+
|
|
27
|
+
```
|
|
28
|
+
|
|
29
|
+
と評価され、c=d=0が唯一の解になります。
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
13
33
|
次のようにすれば期待通りの結果が得られます。
|
|
14
34
|
|
|
15
35
|
```python
|
|
@@ -19,3 +39,17 @@
|
|
|
19
39
|
>>> solve([-a+d+c, -b+d-c], [d,c])
|
|
20
40
|
|
|
21
41
|
```
|
|
42
|
+
|
|
43
|
+
あるいは、
|
|
44
|
+
|
|
45
|
+
```python
|
|
46
|
+
|
|
47
|
+
>>> a,b,c,d = symbols("a b c d")
|
|
48
|
+
|
|
49
|
+
>>> e1 = -a+d+c
|
|
50
|
+
|
|
51
|
+
>>> e2 = -b+d-c
|
|
52
|
+
|
|
53
|
+
>>> solve([e1, e2], [d,c])
|
|
54
|
+
|
|
55
|
+
```
|