Ćwiczenia nr 4 Sera.II 23.03.2009
Układy równań liniowych
2*i ' |
*2 |
4 |
3*3 |
+ |
2xa = 4 |
*i=2 |
3xł + |
3x2 |
4 |
3*3 |
+ |
2xa = 6 |
X0 = Xn = XA = 0 Odp. 234 |
3xł - |
*2 |
— |
*3 |
+ |
2xa = 6 | |
3ą - |
*2 |
4 |
3*3 |
- |
xA = 6 |
Xa 4- x2 |
4- |
*3 |
4- |
*4 |
= 0 |
x3 =1 |
*2 |
4- |
*3 |
4 |
*4 + *5 |
= 0 |
x2 =-l |
x3 4- 2x2 |
4- |
3x3 |
= 2 |
Odp. x3 = 1 | ||
x2 |
4- |
2x3 |
4- |
3x4 |
= -2 |
xĄ =-l |
*3 |
4- |
2x4 4- 3xs |
= 2 |
*5=1 |
2*x |
4 |
*2 |
4 |
*3 |
4 |
*4 |
4 |
*5 = |
2 |
*1=1 |
*i |
4 |
2x2 |
4 |
*3 |
4 |
*4 |
4 |
*5 = |
0 |
r-H I II IN X |
*i |
4 |
*2 |
4 |
3*3 |
4 |
*4 |
4 |
*5 = |
3 |
Odp. x3 = 1 |
*i |
4 |
*2 |
4 |
*3 |
4 |
4x4 |
4 |
*5 = |
-2 |
*4 =-l |
*i |
4 |
*2 |
4 |
*3 |
4 |
*4 |
4 |
5x5 = |
5 |
*5=1 |
b)
*i |
4 |
*2 |
4 |
*3 |
= 5 | ||
a) |
2x1 |
4 |
2x2 |
4 |
*3 |
= 3 |
= -2 |
3x1 |
4 |
2x2 |
4 |
*3 |
= 1 |
045. x2 = 0 *3 =7 |
*1 |
4 X2 |
+ *3 = 4 | ||
2*1 |
— 3x2 |
4 5x3 = -5 |
*1 = | |
b) |
-*l |
4 2x2 |
"*3 = 2 |
Odp. x2 = |
*3=-i