نتایج جستجو برای: dual number
تعداد نتایج: 1310235 فیلتر نتایج به سال:
abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...
Background Countries with health workforce shortages are increasingly turning to multipurpose community health workers (CHWs) to extend integrated services to the community-level. However, there may be tradeoffs with the number of tasks a CHW can effectively perform before quality and/or productivity decline. This qualitative study was conducted within an existing program in Iringa, Tanza...
Objective: Stuttering is a speech disorder that occurs with frequent and abnormal disruptions in speech, such as sound repetition, sound prolongation, and sound or airflow blockage. Although various hypotheses and factors have been introduced including cognitive and linguistic factors, the etiology of stuttering has not been fully understood. According to the vicious circle hypothesis, increase...
Introduction: Due to the increase in the elderly population, one of the most cheap, accessible and non-invasive training methods is the use of green training. The aim of this study is to change the green exercises on the dual task and cognitive status of the elderly. Methods: The method of this study is quasi-experimental and applied in terms of purpose. This study includes the elderly aged 60...
this paper is an investigation of $l$-dual frames with respect to a function-valued inner product, the so called $l$-bracket product on $l^{2}(g)$, where g is a locally compact abelian group with a uniform lattice $l$. we show that several well known theorems for dual frames and dual riesz bases in a hilbert space remain valid for $l$-dual frames and $l$-dual riesz bases in $l^{2}(g)$.
The Minimum Cost Network Flow Problem (MCNFP) constitutes a wide category of network flow problems. A Dual Network Exterior Point Simplex Algorithm (DNEPSA) for the MCNFP is presented here, together with some computational results. Similarly to the classical Dual Network Simplex Algorithm (DNSA), the new algorithm starts with a dual feasible tree-solution and, after a number of iterations, it p...
In this paper, we consider self-dual codes over the finite ring Zps of integer modulo p for any prime p and for an integer s ≥ 4. We start with any self-dual code in lower modulo and give an necessary and sufficient condition for the self-duality of induced codes. Then we can give an inductive algorithm for construction of all self-dual codes and the mass formula in case of odd prime p.
We explore the C2-equivariant spectra Tmf1(3) and TMF1(3). In particular, we compute their C2-equivariant Picard groups and the C2-equivariant Anderson dual of Tmf1(3). This implies corresponding results for the fixed point spectra TMF0(3) and Tmf0(3). Furthermore, we prove a Real Landweber exact functor theorem.
It is known that if q is an even integer then the L(R) norm of the Fourier transform of a superposition of translates of a fixed gaussian is monotone increasing as their centres “simultaneously slide” to the origin. We provide explicit examples to show that this monotonicity property fails dramatically if q > 2 is not an even integer. These results are equivalent, upon rescaling, to similar sta...
A new index for convex polytopes is introduced. It is a vector whose length is the dimension of the linear span of the flag vectors of polytopes. The existence of this index is equivalent to the generalized Dehn-Sommerville equations. It can be computed via a shelling of the polytope. The ranks of the middle perversity intersection homology of the associated toric variety are computed from the ...
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