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  2. Multiaxis machining - Wikipedia

    en.wikipedia.org/wiki/Multiaxis_machining

    Multiaxis machining. A 5-axis water jet cutter and a part manufactured with it. Multiaxis machining is a manufacturing process that involves tools that move in 4 or more directions and are used to manufacture parts out of metal or other materials by milling away excess material, by water jet cutting or by laser cutting.

  3. Semi-differentiability - Wikipedia

    en.wikipedia.org/wiki/Semi-differentiability

    A function is differentiable at an interior point a of its domain if and only if it is semi-differentiable at a and the left derivative is equal to the right derivative. An example of a semi-differentiable function, which is not differentiable, is the absolute value function. f ( x ) = | x | {\displaystyle f (x)=|x|} , at a = 0. We find easily.

  4. NCSIMUL - Wikipedia

    en.wikipedia.org/wiki/NCSIMUL

    NCSIMUL Machine is designed for turning, drilling, milling (up to 5-axis), mill-turn, and multi-channel machines. Based on the real characteristics of the CNC machine, it creates a dynamic verification software that includes the exact environment for all machines, tools and materials. [5] [6]

  5. Rolle's theorem - Wikipedia

    en.wikipedia.org/wiki/Rolle's_theorem

    Rolle's theorem is a property of differentiable functions over the real numbers, which are an ordered field. As such, it does not generalize to other fields, but the following corollary does: if a real polynomial factors (has all of its roots) over the real numbers, then its derivative does as well.

  6. Finite difference - Wikipedia

    en.wikipedia.org/wiki/Finite_difference

    In an analogous way, one can obtain finite difference approximations to higher order derivatives and differential operators. For example, by using the above central difference formula for f ′(x + ⁠ h / 2 ⁠) and f ′(x − ⁠ h / 2 ⁠) and applying a central difference formula for the derivative of f ′ at x, we obtain the central difference approximation of the second derivative of f:

  7. Rotation matrix - Wikipedia

    en.wikipedia.org/wiki/Rotation_matrix

    Rotation matrix. In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix. rotates points in the xy plane counterclockwise through an angle θ about the origin of a two-dimensional Cartesian coordinate system.

  8. Dini derivative - Wikipedia

    en.wikipedia.org/wiki/Dini_derivative

    In mathematics and, specifically, real analysis, the Dini derivatives (or Dini derivates) are a class of generalizations of the derivative. They were introduced by Ulisse Dini, who studied continuous but nondifferentiable functions. The upper Dini derivative, which is also called an upper right-hand derivative, [1] of a continuous function. is ...

  9. Generalizations of the derivative - Wikipedia

    en.wikipedia.org/wiki/Generalizations_of_the...

    The Lie derivative is the rate of change of a vector or tensor field along the flow of another vector field. On vector fields, it is an example of a Lie bracket (vector fields form the Lie algebra of the diffeomorphism group of the manifold). It is a grade 0 derivation on the algebra.

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