--- pl:prolog:pllib:vectors_inner_product [2019/06/27 15:50]
+++ pl:prolog:pllib:vectors_inner_product [2019/06/27 15:50] (aktualna)
@@ Linia 1: / Linia 1: @@
+====== Vectors inner product ======
+{{tag>math}}
+===== Description =====
+Computing inner products of vectors iteratively.
+**Source**:  The Art of Prolog
+===== Download =====
+Program source code: {{vectors_inner_product.pl}}
+===== Listing =====
+<code prolog>
+/*
+   inner_product(Xs,Ys,Value) :-
+	Value is the inner product of the vectors
+	represented by the lists of integers Xs and Ys.
+*/
+     inner_product(Xs,Ys,IP) :- inner_product(Xs,Ys,0,IP).
+     inner_product([X|Xs],[Y|Ys],Temp,IP) :-
+         Temp1 is X*Y+Temp, inner_product(Xs,Ys,Temp1,IP).
+     inner_product([],[],IP,IP).
+%  Program 8.7b   Computing inner products of vectors iteratively
+</code>
+===== Comments =====

pl/prolog/pllib/vectors_inner_product.txt · ostatnio zmienione: 2019/06/27 15:50 (edycja zewnętrzna)

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