3. Wyliczyć rząd macierzy:
'3 |
-2 |
4 |
1 ' |
2" | ||||||||
2 |
-3 |
1 |
2 |
1 ' | ||||||||
2 13-1 |
-1 |
. 1 |
-2 |
1 |
-1 | |||||||
-1 |
1 |
-3 |
-4 |
2 | ||||||||
-1-21 2 |
; b) |
-1 |
2 |
-1 |
2 |
1 |
; c) |
1 |
-2 |
1 |
1 |
-3 |
12-21 |
1 |
1 |
1 |
-3 |
-1 |
1 |
2 |
-1 |
1 |
1 | ||
-2 -1-2 -2 | ||||||||||||
-2 |
-2 |
-2 |
-1 |
-1 |
3 |
-2 |
-2 |
0 |
1 |
4. Rozwiązać 'układ równań metodą eliminacj i Gaussa:
x + 2y — z = 5 |
x + y + 2z = 0 |
x + 3y + z = l | ||
2x + 5y + 3z = 12 |
b)- |
x+2y-z=5 |
c) • |
2x + y + 3z = 4 d) < |
x — 3y + 4z = —5 |
2x - y + z = -3 |
• |
x + y + 2z = 3 |
x-y+z=2 2x + y -3z = 2 x+2y+z=5
e)
f)
x - 2y - z = 2 x + y - 2z = -6 2x + y + z = 0
x + y-3z = 5 2x-y+z=0 x + 3y + z = 3
5. Rozwiązać równanie macierzowe A*X = B dla:
"l -1 2’ |
'3' |
Tl o‘ |
■-1" | ||||
a). A = |
2 -1 1 1 -2 6 |
,B = |
0 1 |
; b)A = |
-1 0 1 1 11 |
> B = |
2 1 _ |
1 2 |
-1 |
1 2" | ||
c) A = |
-1 -1 |
1 |
»B = |
2 -1 |
2 3 |
-1 |
0 3 |
6.- Rozwiązać równanie macierzowe X*A = B dla:
’1 2 |
-1" |
'1 |
0 |
f |
’1 |
-1 |
2' |
'0 |
-1 |
1 " | ||||
a) A = |
2 -1 |
1 |
, B = |
0 |
1 |
1 |
; b) A = |
2 |
-1 |
1 |
, B = |
1 |
0 |
2 |
_! —2 |
6 |
1 |
2 |
1 |
1 |
-2 |
6 |
1 |
3 |
-1 |
1
0
1
'1 |
0 |
f | |
, B = |
0 |
-1 |
1 |
0 |
2 |
0 |
1
c) A =
-1
1
2