Using Improved Prospect Theory to Develop a Partner Selection Method for Virtual Enterprises with Unknown Weight

Table 4

Distance between positive and negative ideal solutions of each scheme attribute.

Scheme	x1		x2		x3		x4
Criteria	Positive ideal solution distance	Negative ideal solution distance	Positive ideal solution distance	Negative ideal solution distance	Positive ideal solution distance	Negative ideal solution distance	Positive ideal solution distance	Negative ideal solution distance
	0	0.0221	0.0101	0.0140	0.0221	0	0.0131	0.0091
	0.0303	0.0070	0.0302	0.0061	0.0362	0	0	0.0362
	0.0708	0	0	0.0708	0.0354	0.0357	0.0293	0.0436
	0	0.0186	0.0060	0.0135	0.0078	0.0108	0.0186	0
	0	0.0388	0.0076	0.0314	0.0388	0	0.0245	0.0148
	0	0.0107	0.0060	0.0070	0.0096	0.0044	0.0026	0.0082
	0.0398	0.0134	0.0498	0.0021	0	0.0507	0.0216	0.0292
	0.0145	0.0084	0.0200	0.0047	0	0.0224	0.0180	0.0075
	0.0245	0.0012	0.0246	0.0012	0	0.0252	0.0163	0.0090
	0.0021	0.0024	0.0021	0.0036	0.0034	0.0022	0.0039	0.0006
	0.0282	0.0130	0	0.0370	0.0254	0.0116	0.0364	0.0009
	0	0.0208	0.0127	0.0114	0.0190	0.0055	0.0140	0.0075