نتایج جستجو برای: interval shifted legendre polynomial
تعداد نتایج: 327478 فیلتر نتایج به سال:
In this paper a unified approach via block-pulse functions (BPFs) or shifted Legendre polynomials (SLPs) is presented to solve the linear-quadratic-Gaussian (LQG) control problem. Also a recursive algorithm is proposed to solve the above problem via BPFs. By using the elegant operational properties of orthogonal functions (BPFs or SLPs) these computationally attractive algorithms are developed....
Many quantitative traits are measured repeatedly during the life of an organism. Such traits are called dynamic traits. The pattern of the changes of a dynamic trait is called the growth trajectory. Studying the growth trajectory may enhance our understanding of the genetic architecture of the growth trajectory. Recently, we developed an interval-mapping procedure to map QTL for dynamic traits ...
Uncertainty propagation in complex engineering systems with fuzzy variables constitutes a significant challenge. This paper proposes a Polynomial Chaos type spectral approach based on orthogonal function expansion. A fuzzy variable is represented as a set of interval variables via the membership function. The interval variables are further transformed into the standard interval [−1,1]. Smooth n...
We consider the problem of recovering polynomials that are sparse with respect to the basis of Legendre polynomials from a small number of random samples. In particular, we show that a Legendre s-sparse polynomial of maximal degree N can be recovered fromm s log(N) random samples that are chosen independently according to the Chebyshev probability measure dν(x) = π−1(1 − x2)−1/2dx. As an effici...
Background: This paper is an improvement of a previous work on the problem recovering function or probability density from finite number its geometric moments, [1]. The worked solved with help B-Spline theory which great approach as long resulting linear system not very large. In this work, two solution algorithms based approximate representation target distribution via orthogonal expansion are...
We show that with small modifications in diverse expressions for the shifted Legendre polynomials, we can obtain the corresponding relations for Daubechies polynomials.
solving nonlinear volterra integro-differential equation by using legendre polynomial approximations
in this paper, we construct a new iterative method for solving nonlinear volterra integral equation of second kind, by approximating the legendre polynomial basis. error analysis is worked using banach fixed point theorem. we compute the approximate solution without using numerical method. finally, some examples are given to compare the results with some of the existing methods.
We study linear transformations $$T :\mathbb {R}[x] \rightarrow \mathbb {R}[x]$$ of the form $$T[x^n]=P_n(x)$$ where $$\{P_n(x)\}$$ is a real orthogonal polynomial system. With $$T=\sum \tfrac{Q_k(x)}{k!}D^k$$ , we seek to understand behavior transformation T by studying roots $$Q_k(x)$$ . prove four main things. First, show that only case are constant and an system when $$P_n(x)$$ shifted set ...
3FunMap is a windows software that can be used to construct genetic linkage maps and perform functional QTL mapping with molecular markers generated in a full-sib family. For linkage analysis, the software utilizes seven segregation types of markers to estimate the recombination and simultaneously predict the linkage phase between any two markers. After two-point linkage analysis, markers are c...
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