📖Glossary📖
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Extremum : A function has an extremum at x0 if f(x0)≥f(x) for all x or f(x0)≤f(x) for all x.
Here is your desired excerpt from our glossary
Extremum : A function has an extremum at x0 if f(x0)≥f(x) for all x or f(x0)≤f(x) for all x.