Power set: Difference between revisions
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<lang parigp>vector(1<<#S,i,vecextract(S,i-1))</lang> |
<lang parigp>vector(1<<#S,i,vecextract(S,i-1))</lang> |
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{{works with|PARI/GP|2.10.0+}} |
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The <code>forsubset</code> iterator was added in version 2.10.0 to efficiently iterate over combinations and power sets. |
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<lang parigp>S=["a","b","c"] |
<lang parigp>S=["a","b","c"] |
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forsubset(#S,s,print1(vecextract(S,s)" "))</lang> |
forsubset(#S,s,print1(vecextract(S,s)" "))</lang> |
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