codirectional

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codirectional — adjective Operating in the same direction Ant: contradirectional … Wiktionary
codirectional — co·directional … English syllables
codirectional — |kō+ adjective Etymology: co + directional : coinciding in direction … Useful english dictionary
Unit vector — In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) whose length is 1 (the unit length). A unit vector is often denoted by a lowercase letter with a hat , like this: (pronounced i hat ). In Euclidean space … Wikipedia
Versor — In mathematics, a versor is a directed great circle arc that corresponds to a quaternion of norm one. In geometry and physics, a versor is sometimes defined as a unit vector indicating the orientation of a directed axis (such as a Cartesian axis) … Wikipedia
Axis angle — The axis angle representation of a rotation, also known as the exponential coordinates of a rotation, parameterizes a rotation by two values: a unit vector indicating the direction of a directed axis (straight line), and an angle describing the… … Wikipedia
contradirectional — adjective Operating in the opposite direction Ant: codirectional … Wiktionary

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