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Tool to compute extrema of a function. The extremum value of a function is the minimal or maximal value that can take a function.

Answers to Questions

How to calculate a extremum?

The extremum of a function is found by calculating it's derivative, an extremum is reached when it's derivative is equal to zero and changes of sign.

A minimum of a function exists when for all x, f(x) is greater than or equal to a minimum.

A maximum of a function exists when for all x, f(x) is less than or equal to the maximum.

An extremum of a function is always defined over an interval (that may be the domain of definition of the function).

What is an extrema?

Extrema is the plural form of extremum (from latin)

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