986 resultados para Redução de Liapunov-Schmidt
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Payment for the Atkins and Schmidt accounts from Jarvis, Conklin and Morgan Negotiators of Farm Mortgages, Dec. 29, 1884.
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Payment for the Atkins, Schmidt, Crick, Mank, Underwood and Crew accounts, Jan. 1, 1885.
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Payment for the Crick, Underwood, Crew, Mank, Atkins and Schmidt accounts, June 9, 1885.
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Payment for Atkins, Schmidt, Crick, Mank, Underwood and Crew accounts, June 16, 1886.
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Payment for Rockroth, Atkins, Schmidt, Mank and Crew accounts, June 28, 1887.
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Payment for Atkins, Schmidt, Mank and Crew accounts, Dec. 28, 1887.
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Payment for Atkins, Schmidt, Crick, Mank, Crew and Rothrock accounts, Jan. 1, 1889.
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Payment for Rothrock, Schmidt and Mank accounts, June 28, 1889.
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Letter to S.D. Woodruff regarding the Atkins and Schmidt accounts signed by Jarvis, Conklin and Co., Oct. 8, 1884.
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Letter to S.D. Woodruff (1 page, typed) which accompanied the payment on the John Schmidt loan signed by S.L. Conklin, assistant secretary of Jarvis-Conklin Mortgage Trust Company, July 9, 1889.
Obtención de oligómeros y polímeros electroluminiscentes vía reacciones de claisen-schmidt y wittig.
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Tesis (Doctor en Ingeniería de Materiales) UANL, 2013.
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The method of Least Squares is due to Carl Friedrich Gauss. The Gram-Schmidt orthogonalization method is of much younger date. A method for solving Least Squares Problems is developed which automatically results in the appearance of the Gram-Schmidt orthogonalizers. Given these orthogonalizers an induction-proof is available for solving Least Squares Problems.
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Será revisto o Estado da Arte do Conhecimento sobre o impacto das questões relacionadas com a idade e a nutrição, que promovam a saúde e reduzem o risco das doenças mais comuns em idosos, particularmente as doenças cardiovasculares.
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This paper introduces a new neurofuzzy model construction and parameter estimation algorithm from observed finite data sets, based on a Takagi and Sugeno (T-S) inference mechanism and a new extended Gram-Schmidt orthogonal decomposition algorithm, for the modeling of a priori unknown dynamical systems in the form of a set of fuzzy rules. The first contribution of the paper is the introduction of a one to one mapping between a fuzzy rule-base and a model matrix feature subspace using the T-S inference mechanism. This link enables the numerical properties associated with a rule-based matrix subspace, the relationships amongst these matrix subspaces, and the correlation between the output vector and a rule-base matrix subspace, to be investigated and extracted as rule-based knowledge to enhance model transparency. The matrix subspace spanned by a fuzzy rule is initially derived as the input regression matrix multiplied by a weighting matrix that consists of the corresponding fuzzy membership functions over the training data set. Model transparency is explored by the derivation of an equivalence between an A-optimality experimental design criterion of the weighting matrix and the average model output sensitivity to the fuzzy rule, so that rule-bases can be effectively measured by their identifiability via the A-optimality experimental design criterion. The A-optimality experimental design criterion of the weighting matrices of fuzzy rules is used to construct an initial model rule-base. An extended Gram-Schmidt algorithm is then developed to estimate the parameter vector for each rule. This new algorithm decomposes the model rule-bases via an orthogonal subspace decomposition approach, so as to enhance model transparency with the capability of interpreting the derived rule-base energy level. This new approach is computationally simpler than the conventional Gram-Schmidt algorithm for resolving high dimensional regression problems, whereby it is computationally desirable to decompose complex models into a few submodels rather than a single model with large number of input variables and the associated curse of dimensionality problem. Numerical examples are included to demonstrate the effectiveness of the proposed new algorithm.
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The problem of symmetric stability is examined within the context of the direct Liapunov method. The sufficient conditions for stability derived by Fjørtoft are shown to imply finite-amplitude, normed stability. This finite-amplitude stability theorem is then used to obtain rigorous upper bounds on the saturation amplitude of disturbances to symmetrically unstable flows.By employing a virial functional, the necessary conditions for instability implied by the stability theorem are shown to be in fact sufficient for instability. The results of Ooyama are improved upon insofar as a tight two-sided (upper and lower) estimate is obtained of the growth rate of (modal or nonmodal) symmetric instabilities.The case of moist adiabatic systems is also considered.