y K·a K ∑a1 (K+1) K K;x;) G(1T=1n∑K1x1=0 f(P)=∑K1x1-1=0 Pixi (2-57) P=∑rPx1 (2-58) ∑(y1/K)=1.0 (2-59) f()=∑(y/K)-1.0=0 f(P)=∑(y/K,)-1.0=0 (2-61) 设T一给→由PK图查K→∑(y/K)→1f)1≤e→}一结束i K i i y = K • • x (2-52)  = i i K 1 x K  (2-53) = + = C i 1 (K) i i (K) (K 1) K K ( K x ) K K ) (2-54) = = = C i 1 G(1 T) ln K ix i 0 (2-55) ( ) -1 0 c i 1  i i = f P = K x = (2-56) i c i 1 S 泡 i P P x = = (2-57) i c i 1 S 泡 i P P x  i = =  (2-58)  y Ki .0 = = c i 1 （ i ） 1 (2-59) ( ) （ ）-1. 0 c i 1  i = f T = y Ki 0 = (2-60) ( ) （ ）-1. 0 c i 1  i = f P = y Ki 0 = (2-61) 设 T ⎯给定P ⎯→ 由 P-T-K 图查 Ki → = c i 1 （ yi Ki）→ ︳ f(T) ︱≤ε ⎯⎯Y→    i x T →结束