The story goes that Brown was studying pollen particles floating in water under the Gerak Brown kapanggih ku ahli biologi Robert Brown taun 1827. Record is, even after correcting for non- Gaussian data. All three quoted examples of Brownian motion are cases of this: it has been argued that Lévy flights are a more accurate, if still imperfect, modél of stock-market fluctuations the physical Brownian motion can be modélled more accurately by more general diffusion process and the dust hasn't settled yet on what the best modél for the fossil In both cases, it is often mathematical convenience rather than actual accuracy as modéls that dictates their use. This universality is closely related to the universality of the normal distribution. Gerak Brown mangrupa prosés stokastik pangbasajanna dina domain kontinyu, and it is a limit of both simpler (see random walk) and more complicated stochastic processes. stock market), sarta conto penting séjénna evolusi karakter fisik dina rekaman fosil. Nu biasa dipaké conto séjénna nyaéta turun unggahna pasar stok (Ing. Modél matematik bisa ogé digunakeun keur ngajelaskeun lobana fénoména séjén anu teu kasusun (ku matematik séjénna) ku gerak acak partikel. Aya dua harti ngeunaan watesan gerak Brown: hiji, dina fénoména fisik salaku gerak partikel dina fluida nu mangrupa gerak acak, sarta nu séjénna dina modél matematik nu dipaké pikeun ngajelaskeun hal éta.
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