1. Wykonaj mnożenie:
—3
12 1 |
2 3 1 |
12 1 | ||
0 12 |
• |
—110 |
• |
0 12 |
3 11 |
12—1 |
3 11 |
O
2. Oblicz AB —BA jeżeli:
12 1 |
4 11 | ||
a) A — |
2 12 12 3 |
B = |
-4 2 0 12 1 |
“2 10" |
" 3 1 -2" | ||
II < rQ |
112 -12 1 |
B = |
3-2 4 -3 5 -1 |
3. Wyznacz macierz f(A) jeżeli: |
'2 11 | |
a) |
f{x) = x2-x-x A = |
3 12 1-10 |
b) |
f(x) = x2 — 5x + 3, A — |
' 2 -f -3 3 |
4. Rozwiąż równanie macierzowe:
'l |
0 |
o" |
1 |
f |
'o |
0 2 |
\ | ||||
X + |
= |
X- | |||||||||
0 |
2 |
0 |
2 |
0 |
4 0 | ||||||
< |
/ | ||||||||||
“3 |
0 |
l“ |
"l |
0 |
r |
~2 |
0 |
2“ | |||
2 Y ■ |
0 |
4 |
0 |
= |
0 1 |
0 |
+Y ■ |
0 |
4 |
0 | |
1 |
0 |
2 |
3 |
0 |
1 |
2 |
0 |
0 |