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Results tagged with pattern-matching
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user 44023
Questions on expression testing and manipulation through pattern matching and constructing efficient patterns.
4
votes
3
answers
287
views
PatternSequence two consecutive numbers that are negatives of each other
trying to do a pattern matching on a list, I want to find the two members that are negatives of each other, i.e.:
{0.,1.5,-1.5,4.2}
I tried:
listOfNumbers/. {x___, PatternSequence[z__, -z__], y___ …
- 575
-1
votes
1
answer
68
views
Match list to a pattern [duplicate]
I want to match a list to a pattern, but MatchQ is not doing the job as needed. For example, I need:
input1={1,2,3};
input2={3,2,3};
Match[input1,{a,b,c}] // True
Match[input1,{a,b,a}] // False
Match{ …
- 575