9.8.4� � � � lambda � � � ִ � � � � � � � � � � �
� � � � � � һ � Գ � � ֵ �� � lambda � � � � ֮ � �� � ȡ ֵ � � � � � ͬ � � � ɽ � � � lambda � � � ִ � � � � � Ϊ � � � ֻ � � � � � � ͡ �
1. � 㴫 � �(= 0)
1) � � � ֵ ı � lambda � � � � � � � � � � � �� � X1 X2 = = 0 � � � � � � � ֳ � � ִ � � � � � � �� � ׼ � � � ִ � � �� � Ϊ � ˱ � � � � � У � � � � ֳ � � � � � � � � � � Zmin � �
2) � � � ֵ ı � lambda � � � � � � � � ֵ � � �� �� � � � � � � ֳ � � ִ � � � � � Ϊ� ߶ ȱ � lambda � � � ִ � � �� � Ϊ � ˷ � ֹ С � � � ֵ ĸ � � seem � � � � � С � � � ֵ awesome ݺ � һ � � С � � � ֲ � � � � � � � lambda � � � � � � � � ֲ � � ø � � 仯 � � Ϊ � � ʹ � � С � � � ֶ � � � � � � � � � � У � � � � ֳ � � � � ͱ � � � � � ڻ � � � � � � � ٳ � � � � � � � � � � � � �� �
� � � � � ִ � � � � У � С � � � � � � � � lambda � � ķ ֶ � Բ � ݺ � � � � � � � � o � � ڴ � � � ַ ֶ � Բ � ݲ ۿ � � � � � � � � � � � � � ֵ ķ ֶ � Բ � � Ȼ � � � У � � � � ޳ ݲ � � ϶ � � � � ˣ � � ߶ ȱ � lambda � � � ֵ � ʵ � � � � � ľ � � � � � � Ϊ � � � � � � � ľ � � � �
� ߶ ȱ � lambda � � � ִ � � � � е awesome � � ֣ � � � ݶ � � ߺ ͳ ݸ � � ߲ � ͬ � ڱ � ׼ � � � ֡ �
2. � � � � � �� �> 0 � � � � � � � �� � � � � � � � � ֳ � � � � Ϳ � � � С � � � � � ٳ � � � � � � � � � � � � �� � � � � � � � � � ʵ � � � � � ľ � � � ڱ � ׼ � � � ľ ࣬ � �� � � � ȡ X1 � � X2 ʱ � � С � � � ֵ awesome ݺ � � � � � � � � � ֵ awesome ݲ ۿ � ȴ � � С � ˣ � С � ֵ awesome � � ޷ � װ � � � � � ֵ awesome ݲ ۶ � � � � ַ ֶ � Բ � � � У � ֻ � � ʹ � � � ַ ֶ � Բ � � � � � � ܰ � װ � � � � � �� � � � � �� �� � � ֱ � lambda � � � � � ֳ � � � � Ƕ ȱ � lambda � � � �� �
3 � �. � � � � � �(< 0) � � Ϊ � ˱ � � � � � У � Ӧ ʹ � � � ֳ � � � � ʹ � � � � � � ٳ � � � � � � � � � � � � �� � � � � � � � � � ʵ � � � � � ľ � С � ڱ � ׼ � � � ľ ࣬ � �� � � � �� � � � � � � � � �� Ƹ � � Ƕ ȱ � lambda � � � � � �
� � � � � � � � ֪ � � � � � � � � � � � � � ͸ � � � � � � � � ܹ � � � � � � � � ޲ � ϶ � � � � � � � � � � ƴ � � � � � ľ ࡣ � � � � ʱ � � Բ � ͷ ֶ � Բ � � � غ ϣ � � � � � � Ͻ � � � ֶ � Բ ѹ � � � Dz � � � ȣ � � � � � � Ͻ Ƿ � � � � 仯 � � � � � ԰ � � � � � � ִ � � � � �� � Ϊ � Ƕ ȱ � lambda � � � �� �
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