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  2. Process function - Wikipedia

    en.wikipedia.org/wiki/Process_function

    For a non-holonomic process function, no such function may be defined. In other words, for a holonomic process function, λ may be defined such that dY = λδX is an exact differential. For example, thermodynamic work is a holonomic process function since the integrating factor λ = ⁠ 1 / p ⁠ (where p is pressure) will yield exact ...

  3. Business process - Wikipedia

    en.wikipedia.org/wiki/Business_process

    A business process, business method, or business function is a collection of related, structured activities or tasks performed by people or equipment in which a specific sequence produces a service or product (that serves a particular business goal) for a particular customer or customers. Business processes occur at all organizational levels ...

  4. Data-flow diagram - Wikipedia

    en.wikipedia.org/wiki/Data-flow_diagram

    Process. The process (function, transformation) is part of a system that transforms inputs to outputs. The symbol of a process is a circle, an oval, a rectangle or a rectangle with rounded corners (according to the type of notation). The process is named in one word, a short sentence, or a phrase that is clearly to express its essence. [7] Data ...

  5. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    The identifications consist of up to 5 letters. The first identification letter is for the measured value, the second is a modifier, 3rd indicates passive/readout function, 4th - active/output function, and the 5th is the function modifier. This is followed by loop number, which is unique to that loop.

  6. Function model - Wikipedia

    en.wikipedia.org/wiki/Function_model

    A function model, similar with the activity model or process model, is a graphical representation of an enterprise's function within a defined scope. The purposes of the function model are to describe the functions and processes, assist with discovery of information needs, help identify opportunities, and establish a basis for determining ...

  7. Point process - Wikipedia

    en.wikipedia.org/wiki/Point_process

    where : + + is a kernel function which expresses the positive influence of past events on the current value of the intensity process (), () is a possibly non-stationary function representing the expected, predictable, or deterministic part of the intensity, and {: < +} is the time of occurrence of the i-th event of the process.

  8. Process - Wikipedia

    en.wikipedia.org/wiki/Process

    Stochastic process, a random process, as opposed to a deterministic process; Wiener process, a continuous-time stochastic process; Process calculus, a diverse family of related approaches for formally modeling concurrent systems; Process function, a mathematical concept used in thermodynamics

  9. Operations management - Wikipedia

    en.wikipedia.org/wiki/Operations_management

    A control chart: process output variable is modeled by a probability density function and for each statistic of the sample an upper control line and lower control line are fixed. When the statistic moves out of bounds, an alarm is given and possible causes are investigated.