Definition of extremum in English:

extremum

noun

Mathematics
  • [usually as modifier] The maximum or minimum value of a function.

    • ‘The extrema displayed in this figure reflect the rigidity property of the protein.’
    • ‘The first step in solving such equations by the variational method is to show that the extremum is attained.’
    • ‘Correlation coefficients showed multiple local extrema with a global maximum, and success in tracking generally relies on the presence of such a maximum at the correct x-y location within each search area.’
    • ‘Trajectories x that solve Newton's equations are those that are extrema of the action A = [integral operator] L (x, v (t)) dt.’
    • ‘The average concentration of the two extrema was taken to represent the average value of the metabolites during the oscillations.’

Origin

Early 20th century: from Latin, neuter of extremus utmost (see extreme).

Pronunciation:

extremum

/ikˈstrēməm/