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  2. Wage payment systems - Wikipedia

    en.wikipedia.org/wiki/Wage_Payment_Systems

    Differential time rate : According to this method, different hourly rates are fixed for different levels of efficiency. Payment on Result. Piece Work Straight piecework system : The wages of the worker depend upon his output and rate of each unit of output; it is in fact independent of the time taken by him.

  3. Piece work - Wikipedia

    en.wikipedia.org/wiki/Piece_work

    Although there were many piece rate systems in use, they were largely resented and manipulative. One of the most influential tenets of Scientific Management was Taylor's popularization of the "differential piece rate system", which relied on accurate measurements of productivity rates to create a "standard" production output target. Those who ...

  4. Finite difference method - Wikipedia

    en.wikipedia.org/wiki/Finite_difference_method

    For example, consider the ordinary differential equation ′ = + The Euler method for solving this equation uses the finite difference quotient (+) ′ to approximate the differential equation by first substituting it for u'(x) then applying a little algebra (multiplying both sides by h, and then adding u(x) to both sides) to get (+) + (() +).

  5. Finite difference methods for option pricing - Wikipedia

    en.wikipedia.org/wiki/Finite_difference_methods...

    The discrete difference equations may then be solved iteratively to calculate a price for the option. [4] The approach arises since the evolution of the option value can be modelled via a partial differential equation (PDE), as a function of (at least) time and price of underlying; see for example the Black–Scholes PDE. Once in this form, a ...

  6. Method of characteristics - Wikipedia

    en.wikipedia.org/wiki/Method_of_characteristics

    As an example, consider the advection equation (this example assumes familiarity with PDE notation, and solutions to basic ODEs). + = where is constant and is a function of and . We want to transform this linear first-order PDE into an ODE along the appropriate curve; i.e. something of the form

  7. Itô's lemma - Wikipedia

    en.wikipedia.org/wiki/Itô's_lemma

    Suppose we are given the stochastic differential equation = + , where B t is a Wiener process and the functions , are deterministic (not stochastic) functions of time. In general, it's not possible to write a solution X t {\displaystyle X_{t}} directly in terms of B t . {\displaystyle B_{t}.}

  8. Five-point stencil - Wikipedia

    en.wikipedia.org/wiki/Five-point_stencil

    An illustration of the five-point stencil in one and two dimensions (top, and bottom, respectively). In numerical analysis, given a square grid in one or two dimensions, the five-point stencil of a point in the grid is a stencil made up of the point itself together with its four "neighbors".

  9. Bateman equation - Wikipedia

    en.wikipedia.org/wiki/Bateman_equation

    In nuclear physics, the Bateman equation is a mathematical model describing abundances and activities in a decay chain as a function of time, based on the decay rates and initial abundances. The model was formulated by Ernest Rutherford in 1905 [ 1 ] and the analytical solution was provided by Harry Bateman in 1910.