.


:




:

































 

 

 

 





= f1 (x) (1.9)

= f2 (x) (1.10)

 

(f1, f2: Rn → Rn) , h,

h [ gt1 (x) ] = gt2 [ h (x) ]

t x, ; gt1 gt2 . , h , , (. . 1.7). h , "" .

 

. 1.7. (1.9) (1.10)

 

 

, : Rn → Rn,

= Ax.

, , , , , .

[2]: Rn .

 

, : Rn → Rn , = Ax .

 

˳ = Ax , A .

. = A1x = A2x , n (A1) n (A2) 䒺 ( , n +(A1) n +(A2) ) A1 A2 : n (A1) = n (A2), n+ (A1) = n +(A2).

, , , : ) , ) ; ) .

 

. 1.8.

 

.

= f (x) (1.11)

(f ∈ C1 (Rn, Rn), f (0) = 0), ,

= Ax (1.12)

(A = f' (0)) .

- . (1.11)  (1.12).

 

(1.12) .

- .

䒺 , (1.12) .

, (1.12) .

, 䒺 . :

) , (1.12) , ;

) , (1.12) .

(1.12) . [15].

 

, : Rn → Rn,

= Ax.

, , , , , .

[2]: Rn .

 

, : Rn → Rn , = Ax . (1.11) () .

 

 






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