extremal

[ik-stree-muh l]

adjective Mathematics.

of or relating to an extremum or the calculation of extrema: an extremal problem.

Origin of extremal

1400–50; late Middle English. See extrem(um), -al¹

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British Dictionary definitions for extremal

extremal

noun

maths logic the clause in a recursive definition that specifies that no items other than those generated by the stated rules fall within the definition, as in 1 is an integer, if n is an integer so is n+1, and nothing else is

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