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pl:prolog:pllib:equation_solving [2019/06/27 15:50] |
pl:prolog:pllib:equation_solving [2019/06/27 15:50] (aktualna) |
| ====== Equation solving ====== |
| {{tag>math arithmetic problem_solving}} |
| ===== Description ===== |
| Solving equalization with constraints, which can only be above zero |
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| **Source**: PROLOG str. 194 Wydawnictwo PLJ Warszawa 1991 ISBN 83-85190-63-5 |
| ===== Download ===== |
| Program source code: {{equation_solving.pl}} |
| ===== Listing ===== |
| <code prolog> |
| liczba(0). |
| liczba(I) :- liczba(L), I is L + 1. |
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| plus(X, Y, Z) :- Z is X + Y. |
| minus(X, Y, Z) :- Z is X - Y. |
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| rownanie(X, Y) :- liczba(X), plus(X, 3 ,8), liczba(Y), minus(X, Y, 3), !. |
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| test :- rownanie(X, Y).</code> |
| ===== Comments ===== |
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