46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Prolog
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Prolog
		
	
	
	
	
	
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int_table(_, [0.5,
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	      0.4,
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	      0.1],[h, m, l]).
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grade_table(I, D, 
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	   /* h h   h m  h l  m h  m m  m l  l h  l m l l */
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	    p([a,b,c,d],
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		[ 0.2,  0.7, 0.85, 0.1, 0.2, 0.5, 0.01, 0.05,0.1 ,
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	          0.6, 0.25, 0.12, 0.3, 0.6,0.35,0.04, 0.15, 0.4 ,
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                  0.15,0.04, 0.02, 0.4,0.15,0.12, 0.5, 0.6, 0.4,
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	          0.05,0.01, 0.01, 0.2,0.05,0.03, 0.45, 0.2, 0.1 ], [I,D])).
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/*
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  A: professor's ability;
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  B: student's grade (for course registration).
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*/
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satisfaction_table(A, G,
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       /* h a  h b  h c  h d  m a  m b  m c  m d  l a  l b  l c  l d */
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	p([h,m,l],
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/*h*/     [0.98, 0.9,0.8 , 0.6, 0.9, 0.4, 0.2, 0.01, 0.5, 0.2, 0.01, 0.01,
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/*m*/	   0.01, 0.09,0.15, 0.3,0.05, 0.4, 0.3, 0.04,0.35, 0.3, 0.09, 0.01 ,
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/*l*/	   0.01, 0.01,0.05, 0.1,0.05, 0.2, 0.5, 0.95,0.15, 0.5, 0.9, 0.98], [A,G])).
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% The idea is quite simple:
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%  hs = h -> r = ( 0.9, 0.1, 0)
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%  hs = m -> r = ( 0.2, 0.6, 0.2)
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%  hs = l -> r = ( 0, 0.1, 0.9)
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%
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% add all and divide on the number of elements on the table!
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%
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rating_prob_table([0.9,0.05,0.01,
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		   0.09,0.9,0.09,
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		   0.01,0.05,0.9]).
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abi_table( _, [0.50, 0.40,  0.10]).
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pop_table(_, [0.9, 0.2, 0.01,
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              0.09, 0.6, 0.09,
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	      0.01, 0.2, 0.9]).
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dif_table( _, [0.25, 0.50, 0.25]).
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