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About: Computing the permanent     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPermutations, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatComputationalProblemsyago:Abstraction100002137yago:Attribute100024264yago:Change107296428yago:Condition113920835yago:Difficulty114408086yago:Event100029378yago:Happening107283608yago:Problem114410605yago:PsychologicalFeature100023100yago:YagoPermanentlyLocatedEntitydiseaseyago:State100024720yago:Substitution107443761yago:Variation107337390yago:WikicatPermutations New Facet based on Instances of this Class

In linear algebra, the computation of the permanent of a matrix is a problem that is thought to be more difficult than the computation of the determinant of a matrix despite the apparent similarity of the definitions. The permanent is defined similarly to the determinant, as a sum of products of sets of matrix entries that lie in distinct rows and columns. However, where the determinant weights each of these products with a ±1 sign based on the parity of the set, the permanent weights them all with a +1 sign.