local maximum
Mathematical term for a point where a function attains a maximum value within a neighborhood. Contrast with 最大値 (global maximum).
The local maximum of this function is 5 at x=2.
Please read the local maximum and local minimum from the graph.
極小値 is the local minimum, the counterpart to 極大値.
Compound of 極大 (maximum) + 値 (value). The exact historical derivation is uncertain; the spelling is conventionally associated with the mathematical meaning.