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pl:prolog:pllib:vectors_inner_product_2 [2019/06/27 15:50] (aktualna) |
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| + | ====== Vectors inner product 2 ====== | ||
| + | {{tag>math}} | ||
| + | ===== Description ===== | ||
| + | Computing inner products of vectors | ||
| + | |||
| + | **Source**: The Art of Prolog | ||
| + | ===== Download ===== | ||
| + | Program source code: {{vectors_inner_product_2.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([X|Xs],[Y|Ys],IP) :- | ||
| + | inner_product(Xs,Ys,IP1), IP is X*Y + IP1. | ||
| + | inner_product([],[],0). | ||
| + | |||
| + | % Program 8.7a Computing inner products of vectors | ||
| + | </code> | ||
| + | ===== Comments ===== | ||
