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  2. Swizzling (computer graphics) - Wikipedia

    en.wikipedia.org/wiki/Swizzling_(computer_graphics)

    In computer graphics, swizzles are a class of operations that transform vectors by rearranging components. [1] Swizzles can also project from a vector of one dimensionality to a vector of another dimensionality, such as taking a three-dimensional vector and creating a two-dimensional or five-dimensional vector using components from the original vector. [2]

  3. Quaternions and spatial rotation - Wikipedia

    en.wikipedia.org/wiki/Quaternions_and_spatial...

    The magnitude of the unit quaternion will be unity, corresponding to a hypersphere of unit radius. The vector part of a unit quaternion represents the radius of the 2-sphere corresponding to the axis of rotation, and its magnitude is the sine of half the angle of rotation.

  4. Unit vector - Wikipedia

    en.wikipedia.org/wiki/Unit_vector

    A unit vector is often denoted by a lowercase letter with a circumflex, or "hat", as in ^ (pronounced "v-hat"). The term normalized vector is sometimes used as a synonym for unit vector. The normalized vector û of a non-zero vector u is the unit vector in the direction of u, i.e.,

  5. Slerp - Wikipedia

    en.wikipedia.org/wiki/Slerp

    Oblique vector rectifies to slerp factor. More familiar than the general slerp formula is the case when the end vectors are perpendicular, in which case the formula is p 0 cos θ + p 1 sin θ. Letting θ = t π /2, and applying the trigonometric identity cos θ = sin(π /2 − θ), this becomes the slerp formula.

  6. Isomorphism - Wikipedia

    en.wikipedia.org/wiki/Isomorphism

    The isomorphism class of a finite-dimensional vector space can be identified with the non-negative integer representing its dimension. The classification of finite simple groups enumerates the isomorphism classes of all finite simple groups. The classification of closed surfaces enumerates the isomorphism classes of all connected closed surfaces.

  7. Verse (programming language) - Wikipedia

    en.wikipedia.org/wiki/Verse_(programming_language)

    Verse allows defining functions within classes. These can perform various operations, such as mathematical calculations, game logic, and more. The example below is a method to determine if a character is looking at a specific location. IsLookingAtLocation(Character:fort_character, LocationToCheck: vector3, Threshold: float):logic

  8. Zorn's lemma - Wikipedia

    en.wikipedia.org/wiki/Zorn's_lemma

    Zorn's lemma can be used to show that every vector space V has a basis. [13] If V = {0}, then the empty set is a basis for V. Now, suppose that V ≠ {0}. Let P be the set consisting of all linearly independent subsets of V. Since V is not the zero vector space, there exists a nonzero element v of V, so P contains the linearly independent ...

  9. Linear classifier - Wikipedia

    en.wikipedia.org/wiki/Linear_classifier

    The weight vector is learned from a set of labeled training samples. Often f is a threshold function , which maps all values of w → ⋅ x → {\displaystyle {\vec {w}}\cdot {\vec {x}}} above a certain threshold to the first class and all other values to the second class; e.g.,