, .
-, -, ..
() :
, , ( ) ( ).
. . . . . , , ( ) ( ).
: , , , , , .
: , .
: , , .
( ) ( ).
, : - ( ), - ( ), ( ), ( ) .
: ( ), ( ), ( , ), ( ), - ( ), - ( , , ).
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: ,
. - , , .
( ) . . , , .. : y=∏x1 = x1*x2**xn; y=x1/x2; =(+b)/; Y=A/(b+c); Y=(a*b)/c; Y=(a+b)*c ..
( ) : ; ; () (); .
y = a * b, : Jy = Ja * Jb= 1/0 * b1/ b0, Jy - () y; Ja - () () a; Jb - () () b;
, , , . . y = a*b, a: Dy(Da) = y/ - y0 = a1 b0 - a0 b0. b: y(Db) = y1 - y/ = a1 b1 - a1 b0.
, .
, -, . - : , , , - .
y = a b c.
Dy(Da) = (a1 - a0) b0 c0 = Da b0 c0
Dy(Db) = (b1 - b0) a1 c0 = a1Db c0
Dy(Dc) = (c1 - c0) a1 b1 = a1 b1Dc
, :
Dy(Da) + Dy(Db) + Dy(Dc) = Dy = y1 - y0
() . , . . .
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() . , . . y = a b c,
Dy(Da) = (((Ja-1)*100)/100) * y0 = (Ja - 1) * y0, Ja = 1/0, Ja - 1 - . .Dy(Db) = = (Jb - Ja) * y0,Dy(Dc) =(Jy - Jb) * y0
, , , , , () .
() : ( ) ; ( ), , , , .