نتایج جستجو برای: chaos complexity
تعداد نتایج: 341020 فیلتر نتایج به سال:
This contribution introduces an investigation on deterministic spatiotemporal chaos control based on evolutionary algorithms use. Two evolutionary algorithms are used for chaos control here: differential evolution and self-organizing migrating algorithm. Like a model of spatiotemporal chaos so called coupled map lattices are used. Main aim of this investigation was to show that evolutionary alg...
Complexity theory is used to develop a model of group development based on earlier research with social groups such as Tuckman and Jensen’s stages of forming, storming, norming, performing and adjourning (1977). The model shows how these stages correspond to Wolfram’s four attractor classes of order (point and periodic), chaos (strange) and complexity, and transitions among them. Kauffman’s NK ...
in the following text for arbitrary $x$ with at least two elements, nonempty countable set $gamma$ we make a comparative study on the collection of generalized shift dynamical systems like $(x^gamma,sigma_varphi)$ where $varphi:gammatogamma$ is an arbitrary self-map. we pay attention to sub-systems and combinations of generalized shifts with counterexamples regarding devaney, exact dev...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
The term paradigm hase penetrated in the web of many fields form natural to social sciences. Therefore, for each researcher, understanding it's Concept and dimensions is necessary. It is become to a common term in philsophy of science. There are many definitions of paradigm, but we can define it as: a set of believes and basic assumptions that are reflected in the ontology, epistemology and m...
Ventilatory chaos is strongly linked to the activity of central pattern generators, alone or influenced by respiratory or cardiovascular afferents. We hypothesized that carotid atherosclerosis should alter ventilatory chaos through baroreflex and autonomic nervous system dysfunctions. Chaotic dynamics of inspiratory flow was prospectively evaluated in 75 subjects undergoing carotid ultrasonogra...
this paper aims at shedding light on the concept of postmodernism, and its implications in the tesol. postmodern philosophy as a prevalent concept and a hot buzzword in philosophy, science, and art is believed to have influenced the tesol theoretically in some ways. the elements of postmodernism including: constructivism, subjectivism, relativism, localism, and pragmatism are found to have been...
Chaordic Systems Thinking (CST) is a framework that uses chaos as a lens and as a metaphor for change. CST is developed as a successor of Open Systems Thinking (OST) [5] [6]. Its basic terms and concepts are described below. Complexity is defined neither as a theory, nor as a lens, but rather as one – among many – characteristics of whole systems [3]. We take this position as point of departure...
Chaos theory and models related to non-linear dynamic systems has increased in importance in recent decades. In fact, chaos is one of the concepts that has most rapidly expanded in research topics. Chaos is ordinarily disorder or confusion; scientifically, it represents a disarray connection, but basically, it involves much more than that. Change and time are closely linked, and they are essent...
Complexity, Risk, and Financial Markets completes a trilogy of books on chaos and fractal analysis. Fractal analysis examines self-similarity or scale invariance, a structure that is often present in seemingly random and otherwise complex processes. Time series, for example, exhibit self-similarity if subsamples resemble compressed versions of longer samples. Pioneered by engineers, mathematici...
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