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  2. Empty sum - Wikipedia

    en.wikipedia.org/wiki/Empty_sum

    In mathematics, an empty sum, or nullary sum, [1] is a summation where the number of terms is zero. The natural way to extend non-empty sums [ 2 ] is to let the empty sum be the additive identity . Let a 1 {\displaystyle a_{1}} , a 2 {\displaystyle a_{2}} , a 3 {\displaystyle a_{3}} , ... be a sequence of numbers, and let

  3. 3-partition problem - Wikipedia

    en.wikipedia.org/wiki/3-partition_problem

    The goal is to construct m triplets, each of which contains one element from A, one from B and one from C, such that the sum of each triplet is T. [ 2 ] The 4-partition problem is a variant in which S contains n = 4 m integers, the sum of all integers is ⁠ m T {\displaystyle mT} ⁠ , and the goal is to partition it into m quadruplets, all ...

  4. Empty product - Wikipedia

    en.wikipedia.org/wiki/Empty_product

    In mathematics, an empty product, or nullary product or vacuous product, is the result of multiplying no factors.It is by convention equal to the multiplicative identity (assuming there is an identity for the multiplication operation in question), just as the empty sum—the result of adding no numbers—is by convention zero, or the additive identity.

  5. Summation by parts - Wikipedia

    en.wikipedia.org/wiki/Summation_by_parts

    The formula for an integration by parts is () ′ = [() ()] ′ (). Beside the boundary conditions , we notice that the first integral contains two multiplied functions, one which is integrated in the final integral ( g ′ {\displaystyle g'} becomes g {\displaystyle g} ) and one which is differentiated ( f {\displaystyle f} becomes f ...

  6. Subset sum problem - Wikipedia

    en.wikipedia.org/wiki/Subset_sum_problem

    The subset sum problem (SSP) is a decision problem in computer science. In its most general formulation, there is a multiset of integers and a target-sum , and the question is to decide whether any subset of the integers sum to precisely . [1] The problem is known to be NP-complete.

  7. Hegseth says gay soldiers should serve in the military in ...

    www.aol.com/hegseth-says-gay-soldiers-serve...

    Donald Trump’s pick for defense secretary, Pete Hegseth, said gay people should be able to serve in the US military in an apparent shift from his previous stance on the issue.

  8. Realtor group picks top 10 housing hot spots for 2025: Did ...

    www.aol.com/realtor-group-picks-top-10-171047166...

    The end of the year means preparing for the one ahead and the National Association of Realtors is already predicting the hottest housing markets for 2025.. The NAR released The Top 10 Housing Hot ...

  9. Retiree Is On A Mission To Give Loving Home Exclusively To ...

    www.aol.com/retiree-welcomes-senior-dogs-home...

    Sometimes, even the most tragic events can be the start of a heartwarming journey, and that is true for Steve Greig.Steve is a retiree who lost his beloved dog, Wolfgang, in a tragic car accident.