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Qualitative modeling and simulation: promise or illusion (basic definitions)

机译:定性建模和模拟:承诺或幻想(基本定义)

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Some basic definitions that serve as a basis for the discussion of qualitative modeling and simulation are presented. The author begins by stating the types of mathematical models that exist i.e. continuous time models (lumped parameter, linear and distributed parameter models), discrete time models and discrete event models. The author distinguishes between quantitative and qualitative models. He defines qualitative variables as having either nominal measures, ordinal measures, interval measures or ratio measures. He then considers four main types of qualitative models: naive physics models, inductive reasoning models, symbolic discrete event models and neural net models. Finally he points to the need to investigate combined quantitative and qualitative models.
机译:提出了一些基本定义,作为讨论定性建模和仿真的基础。作者首先说明存在的数学模型的类型,即连续时间模型(集总参数模型,线性和分布式参数模型),离散时间模型和离散事件模型。作者区分了定量模型和定性模型。他将定性变量定义为具有名义度量,序数度量,区间度量或比率度量。然后,他考虑了四种主要的定性模型类型:朴素的物理模型,归纳推理模型,符号离散事件模型和神经网络模型。最后,他指出有必要研究定量和定性相结合的模型。

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