2
1. Pomnożyć macierze A * B:
2
1
-2
-1
2. Dla macieizy A, B obliczyć: Ar*B
-2
‘-2 |
—l' |
'2 |
-1 |
2 " | ||
A = |
-3 |
4 |
B = |
3 |
0 |
1 |
1 |
0 |
2 |
2 |
-1_ |
3. Dla macieizy A. B. C obliczyć: A*(B*C), (A*B)*C:
Y | |||
fi -li |
U 1 01 | ||
L |
B =1 |
c = |
2 |
L° 2 J |
Li 3 -u |
3 |
Dla macieizy A, B obliczyć 2*A-BT:
' 2 |
4 |
0 |
2 ' |
'l |
5 |
-2 |
o' | |
3 |
0 |
5 |
5 |
B = |
2 |
0 |
-5 |
4 |
-4 |
-2 |
-3 |
-2 |
3 |
2 |
0 |
1 | |
0 |
1 |
6 |
6 |
4 |
5 |
-3 |
3 |
Dla macierzy A, B. C obliczyć (A+2*B)*C:
2 — 2
P 2 |
3 |
1 |
a=[- -1 |
1 “'1 |
c = |
1 |
-1 |
[5 6 |
7 |
OJ |
Lo -i |
-3 -4j |
1 |
-1 |
1 -1_
6. Dla macierzy A, B, C obliczyć 3C1 - 2",A,*,B:
r2 |
31 |
r—3 |
-i |
2*1 |
'l 0 |
1 ' | |
A= |
4 L B |
= L-3 |
-3 |
l] |
C = |
0 1 |
0 |
Ls |
l] |
_1 1 |
-1_ | ||||
Dla macieizy X, Y obliczyć X*XT-YT | |||||||
'l 4 ' |
‘ 15 |
-5 |
-12 |
0 | |||
1 -2 |
-5 |
5 |
-5 |
15 | |||
X = |
1 3 |
. v = |
-20 |
-5 |
14 |
-10 | |
1 0 |
5 |
0 |
-4 |
20 |
8. Rozwiązać równanie macierzowe A*X - B T*C=0:
A =
"2-1 1 ' |
i o o |
' 1 ' | ||
1 1 0 2 1 -1 |
B = |
0 -1 -1 ! 0 1 |
c = |
-3 2 |