Subsequence
المؤلف:
D,Angelo, J. P. and West, D. B.
المصدر:
Mathematical Thinking: Problem-Solving and Proofs, 2nd ed. Upper Saddle River, NJ: Prentice-Hall
الجزء والصفحة:
...
5-11-2020
942
Subsequence
A subsequence of ![<span style=]()
{a}" src="https://mathworld.wolfram.com/images/equations/Subsequence/Inline1.gif" style="height:15px; width:17px" /> is a sequence ![<span style=]()
{b}" src="https://mathworld.wolfram.com/images/equations/Subsequence/Inline2.gif" style="height:15px; width:17px" /> defined by 
, where 
is an increasing sequence of indices (D'Angelo and West 2000).
For example, the prime numbers are a subsequence of the positive integers.
Subsequence generation is implemented in the Wolfram Language as Subsequences.
REFERENCES:
D'Angelo, J. P. and West, D. B. Mathematical Thinking: Problem-Solving and Proofs, 2nd ed. Upper Saddle River, NJ: Prentice-Hall, pp. 277-279, 2000.
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