A point on a curve where the slope is zero.
This can be where the curve reaches a minimum or maximum.
It is also possible it is just a "pause" on the way up or down, called a saddle point.
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A point on a curve where the slope is zero.
This can be where the curve reaches a minimum or maximum.
It is also possible it is just a "pause" on the way up or down, called a saddle point.