point of inflection
plural of falcation
(mathematics) a point on a curve at which the sign of the curvature changes; at this point the second derivative of the underlying function will be zero, but positive on one side and negative on the other.
Embroidery upon cloth over which canvas has been laid to guide the stitches. / Embroidery in Berlin wool on silk canvas with plush stitch.
Excessive specification
変曲点では、曲線の曲率が符号を変え、上に凸から下に凸への切り替えを示します。
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