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  2. Rotation matrix - Wikipedia

    en.wikipedia.org/wiki/Rotation_matrix

    A 180° rotation (middle) followed by a positive 90° rotation (left) is equivalent to a single negative 90° (positive 270°) rotation (right). Each of these figures depicts the result of a rotation relative to an upright starting position (bottom left) and includes the matrix representation of the permutation applied by the rotation (center ...

  3. CORDIC - Wikipedia

    en.wikipedia.org/wiki/CORDIC

    CORDIC (coordinate rotation digital computer), Volder's algorithm, Digit-by-digit method, Circular CORDIC (Jack E. Volder), [1] [2] Linear CORDIC, Hyperbolic CORDIC (John Stephen Walther), [3] [4] and Generalized Hyperbolic CORDIC (GH CORDIC) (Yuanyong Luo et al.), [5] [6] is a simple and efficient algorithm to calculate trigonometric functions, hyperbolic functions, square roots ...

  4. Rotation of axes in two dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotation_of_axes_in_two...

    In mathematics, a rotation of axes in two dimensions is a mapping from an xy-Cartesian coordinate system to an x′y′-Cartesian coordinate system in which the origin is kept fixed and the x′ and y′ axes are obtained by rotating the x and y axes counterclockwise through an angle .

  5. Conversion between quaternions and Euler angles - Wikipedia

    en.wikipedia.org/wiki/Conversion_between...

    Note that in this case ψ > 90° and θ is a negative angle. Similarly for Euler angles, we use the Tait Bryan angles (in terms of flight dynamics): Heading – : rotation about the Z-axis; Pitch – : rotation about the new Y-axis; Bank – : rotation about the new X-axis

  6. Woman, 53, Has ‘Never Felt Better' After Undergoing Pig ...

    www.aol.com/woman-53-never-felt-better-111429861...

    An Alabama woman "is recuperating well" after undergoing a pig kidney transplant in New York City, per reports. Towana Looney, 53, underwent surgery using the organ from a genetically manipulated ...

  7. Turn (angle) - Wikipedia

    en.wikipedia.org/wiki/Turn_(angle)

    The binary degree, also known as the binary radian (or brad), is ⁠ 1 / 256 ⁠ turn. [21] The binary degree is used in computing so that an angle can be represented to the maximum possible precision in a single byte. Other measures of angle used in computing may be based on dividing one whole turn into 2 n equal parts for other values of n. [22]

  8. Everything at Old Navy is half-off for Black Friday — but ...

    www.aol.com/lifestyle/everything-at-old-navy-is...

    Read more:. Walmart's very best Black Friday deals of the day. Amazon's very best Black Friday deals are here. Nordstrom's Black Friday deals just got better

  9. Conservative group compiles list of 'woke' senior officers ...

    www.aol.com/news/conservative-group-compiles...

    A conservative research group has compiled a list of 20 “woke" senior officers they want Pete Hegseth to fire should he be confirmed to lead the Pentagon.