نتایج جستجو برای: frac
تعداد نتایج: 3534 فیلتر نتایج به سال:
application of haar wavelets in solving nonlinear fractional fredholm integro-differential equations
a novel and eective method based on haar wavelets and block pulse functions(bpfs) is proposed to solve nonlinear fredholm integro-dierential equations of fractional order.the operational matrix of haar wavelets via bpfs is derived and together with haar waveletoperational matrix of fractional integration are used to transform the mentioned equation to asystem of algebraic equations. our new m...
در این رساله دستگاه معادلات دیفرانسیل خطی مرتبه اول egin{eqnarray*} frac{dy_{1}}{dt}=( i ho r_{2}(t)+frac{p(t)}{i ho r_{1}(t)})y_{2} , qquad frac{dy_{2}}{dt}= i hofrac{1}{r_{1}(t)}y_{1} , quad tin[a,b] end{eqnarray*} را در نظر می گیریم که در آن توابع حقیقی $r_{1}$ و $r_{2}$ می توانند صفرهایی درون $(a,b)$ داشته باشند. در ابتدا با تعویض متغیرهای مناسبی، دستگاه فوق را به یک ...
Urine from normal and leukemic subjects on controlled low-purine diets was frac tionated by ion-exchange column chromatography, and the various effluent peaks exhibiting absorbance at 260 m/i were subjected to two-dimensional filter paper chromatography for further resolution. It appeared from gross examination of the chromatograms that there were a greater number and concentration of blue fluo...
In the course of a screening program for novel antibiotics showing antitumor activity, a cyclic peptide antibiotic sohbumycin was isolated from the culture broth of Streptomyces sp. No. 82-85, which had been isolated from a soil sample collected in Kanagawa prefecture, Japan. The isolation and physico-chemical properties of sohbumycin and fermentation and taxonomy of the producing organism, Str...
اخیرأ، کدهای بر روی حلقه های متناهی توجه زیادی را به خود جلب کرده است. یک مجموعه $ -n $تایی بر روی حلقه ی $ r $ را یک کد خطی بر روی $ r $ گویند هرگاه یک $ -r $مدول باشد. یک کد دوری بر روی حلقه ی $ r $ از طول $ n $، یک کد خطی است با این شرط که اگر $ (c_0, c_1, ldots, c_{n-1}) in c$ آن گاه $ (c_{n-1}, c_0, ldots, c_{n-2}) in c$. کدهای دوری ایده آل های حلقه ی $ r_{...
In this paper, we introduce the Fractional Window-w Multibase NonAdjacent Form (Frac-wmbNAF) method to perform the scalar multiplication. This method generalizes the recently developed Window-w mbNAF (wmbNAF) method by allowing an unrestricted number of precomputed points. We then make a comprehensive analysis of the most recent and relevant methods existent in the literature for the ECC scalar...
1. The main aim of this report is to study decay estimates for global solutions of the system of linear crystal elasticity in three space dimensions for cubic crystals in the nearly isotropic case. In order to state the problem, we recall that the system of linear elasticity is of form $\frac{\partial^{2}u_{i}}{\partial t^{2}}=.\sum_{\wedge-}^{3}$. $c_{ijpq^{\frac{\partial^{2}u_{p}}{\partial x_...
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