.
:
= = =
. . = = .
: = (2X3), = (3X2) => = (2X2)
= = =
:
1) ¹;
2) ()=();
3) ==
4) ()k = (AB)k= A(Bk)
5) (A+B)C = AB +BC
6) A(B+C) = AB + AC/
T , , .
. = ,
T =
.
, = , = 11 22 - 12 21.
. .
= 1 (-3) 2 4 = -11.
,
= , = 112233+122331+ 132132 - 132231 - 122133 11 2332.
+, -, , . 1.
+ -
1.
.
, , .
= 112233+122331+ 132132 - 132231 - 122133 11 2332.
:
1) (), .
2) , .
3) (), .
4) () (), .
5) () , .
6) , .
ij ij , i - j - .
ij ij (-1) i+j.
.
: - () .
. , .
:
1.
= 5 (-1)1+1 + 3 (-1)1+2 + 2(-1)1+3 = 68.
4), . . , 5, , 7. .
|
|
:
2.
= = 0 - (-1) +0 = =13 34 17 22 = 68.