Plücker matrix
A surname from Polish.
(mathematics) A special skew-symmetric 4×4 matrix that characterizes a straight line in projective space, and is defined by six Plücker coordinates with four degrees of freedom.
An inferior variant of the sheepshank knot, which is useful for shortening a rope or taking up slack.
(skiing) Of a ski lodge or other hotel establishment: providing skiers with the service of transporting their equipment, luggage, and vehicles to other establishments so they can ski directly to th...
射影3空間で2本の直線の交点を求めるために、直線を特徴づける特別な4×4の斜対称行列（プルッカー行列）を構成し、その階数を調べます。
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