نتایج جستجو برای: complex interval doolittle decomposition method
تعداد نتایج: 2539950 فیلتر نتایج به سال:
In this work, we propose a simple method for obtaining the algebraic solution of a complex interval linear system where coefficient matrix is a complex matrix and the right-hand-side vector is a complex interval vector. We first use a complex interval version of the Doolittle decomposition method and then we restrict the Doolittle's solution, by complex limiting factors, to achieve a complex in...
In this paper, the aim is to find a complex interval vector [Z] such that satisfies the complex interval linear system C[Z]=[W]. For this, we present a new method by restricting the general solution set via applying some parameters. The numerical examples are given to show ability and reliability of the proposed method.
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...
in the current study, synthesis and characterization of a new nano-structured zirconium(iv)-minoxidil complex (1), where minoxidil, (c9h15n5o; 6-(1-piperidinyl)-2,4-pyrimidinediamine 3-oxide), have been investigated in two different solvents. the compound 1 has been synthesized by sonochemical method in the presence of methanol and monoethylene glycol (meg) as solvents and characterized by scan...
In this paper, we contribute a new B-spline based interval field decomposition method as non-probabilistic approach that takes into account local effects in modelling. With basis functions, the formulation is highly intuitive and easy to construct. The computational efficiency outperforms traditional method. explicit expression of proposed facilitates use optimisation methods determining bounds...
in this article, a new method is introduced to give approximate solution to van der pol equation. the proposed method is based on the combination of two different methods, the spectral adomian decomposition method (sadm) and piecewise method, called the piecewise adomian decomposition method (psadm). the numerical results obtained from the proposed method show that this method is an...
In this paper, a simple distance measure was used to estimate the age (T) of the common ancestor of eukaryotes and prokaryotes which takes the rate variation among sites and the pattern of amino acid substitutions into account. Our new estimate of T based on Doolittle et al.'s data is about 2.5 billion years ago (Ga), with 95% confidence interval from 2.1 to 2.9 Ga. This result indicates (1) th...
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