L L1 .
31. j L L1 , L l Î j ( + ) = j () + j () j (l ) = lj ().
j () , .
31 311:
j L L1 , L a, b Î j (a× + b× ) = a×j () + b×j ().
. 1. j () = 01, L, 01 L1, , , . .
2. j () = L . .
3. = ( 1, 2, 3, , n) Ln L1 = < 1, 2, 3 >. j (1 1 + 2 2 + 3 3 + + n n) = 1 1 + 2 2 + 3 3. j , L L1. L L1.
= ( 1, 2, , n) L f = (f1, f2, , fn) L1.
31. j, L L1, j () = f = 1, 2, , n.
. L, = 1 1 + 2 2 + + n n. j : j () = 1 f1 + 2 f2 + + n fn. j ()Î L1, j L L1. l Î , j (l ) = l×1 f1 + l 2 f2 + + l n fn = l (1 f1 + 2 f2 + + n fn) = l j (). = 1 1 + 2 2 + + n n, j ( + ) = (1 + 1) f1 + (2 + 2) f2 + + (n + n) fn =(1 f1 + 2 f2 + + n fn) + (1 1 + 2 2 + + n n) = j () + j (). , j - L L1. j () = 1× f. , j - . , y - , y () = f, y () = y (1 1 + 2 2 + + n n) = 1y (1) + 2y (2) + + ny (n) = 1 f1 + 2 f2 ++ n fn = j (). , j - .
. , L L1 ( 1, 2, , n) L (f1, f2, , fn) L1 : j (1 1 + 2 2 + + n n) = 1 f1 + 2 f2 + + n fn.
. L3 L5. = ( 1, 2, 3) f = (f1, f2, f3, f4, f5) L3 L5 . 1 = (1, 4, 1, 3, 0), 2 = (3, 0, 1, 3, 7), 3 = (1, 1, 2, 2, 0) L5. j: L 3 L5 j (1 1 + 2 2 + 3 3) = 1 1 + 2 2 + 3 3. = (5, 1, 3).
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. j () = 5 1 2 + 3 3 = (5,20,5,15,0) (3,0,1,3,7) + (3,3,6,6,0) = (5, 23, 0, 24, 7).
.
j: Ln Lm .
10. j (0) = 01, 0 01 Ln Lm .
20. .
j: Ln Lm y: L m L. (y×j): Ln L. Ln l - , (y×j)( + ) = y (j ( + )) = y (j () + j ()) = = y (j ()) + y (j ()) = (y×j)() + (y×j)(); (y×j)(l ) = y (j (l )) = y (l × j ()) = = l× (y (j ()) = l× (y×j)(). , (y×j) 31. , (y×j) .
32. j: Ln Lm y: L n Lm w: Ln Lm, Î Ln w () = j () + y ().
30. .
, Î L a, b Î . w (a× + b× ) = j (a× + b× ) + y (a× + b× ) = (a×j () + b×j ()) + + (a×y () + b×y ()), , 311, w - , Ln Lm.
40. .
32. j: Ln Lm l Î Ln Lm, (lj)() = l× (j ()) Î Ln.
50. .
.
60. 1× j = j j.
70. 0 ×j j.
80. j y , a, b Î , j: Ln Lm y: L n Lm, (a×j + b×y) , Ln Lm.
32. , Ln Lm ( ).
.