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Кафедра физхимии ЮФУ (РГУ)
ЧИСЛЕННЫЕ МЕТОДЫ И
ПРОГРАММИРОВАНИЕ
Лектор – ст. преп. Щербаков
И.Н.
Задания к практическим
занятиям
Задание № 5. Решение систем
линейных уравнений
Решите систему уравнений:
1)
| 12 * x1 |
+ |
1 * x2 |
- |
5 * x3 = |
21 |
| 4 * x1 |
- |
5 * x2 |
+ |
1 * x3 = |
-1 |
| -3 * x1 |
+ |
4 * x2 |
+ |
3 * x3 = |
5 |
2)
| 2 * x1 |
- |
2 * x2 |
+ |
2 * x3 = |
2 |
| 1 * x1 |
- |
5 * x2 |
+ |
1 * x3 = |
-7 |
| 5 * x1 |
+ |
2 * x2 |
- |
3 * x3 = |
11 |
3)
| -4 * x1 |
+ |
0 * x2 |
+ |
3 * x3 = |
-5 |
| 3 * x1 |
+ |
2 * x2 |
- |
2 * x3 = |
8 |
| 1 * x1 |
+ |
1 * x2 |
- |
3 * x3 = |
1 |
4)
| -3 * x1 |
+ |
2 * x2 |
- |
10 * x3 = |
-12 |
| 2 * x1 |
+ |
1 * x2 |
+ |
2 * x3 = |
8 |
| 3 * x1 |
+ |
1 * x2 |
+ |
5 * x3 = |
13 |
5)
| -3 * x1 |
+ |
2 * x2 |
- |
2 * x3 = |
-4 |
| -2 * x1 |
+ |
2 * x2 |
+ |
1 * x3 = |
1 |
| 1 * x1 |
+ |
1 * x2 |
+ |
6 * x3 = |
10 |
6)
| 2 * x1 |
+ |
3 * x2 |
- |
1 * x3 = |
13 |
| -1 * x1 |
+ |
0 * x2 |
+ |
2 * x3 = |
-5 |
| 2 * x1 |
+ |
1 * x2 |
+ |
1 * x3 = |
7 |
7)
| 2 * x1 |
+ |
3 * x2 |
- |
1 * x3 = |
-15 |
| -1 * x1 |
+ |
0 * x2 |
+ |
2 * x3 = |
9 |
| 2 * x1 |
+ |
1 * x2 |
+ |
1 * x3 = |
-5 |
8)
| -4 * x1 |
+ |
0 * x2 |
+ |
3 * x3 = |
8 |
| 3 * x1 |
+ |
2 * x2 |
- |
2 * x3 = |
-11 |
| 1 * x1 |
+ |
1 * x2 |
- |
3 * x3 = |
-14 |
9) Следующее задание
В
начало страницы
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