نتایج جستجو برای: norlund matrix

تعداد نتایج: 364741  

Journal: :Theoretical and Mathematical Physics 2006

The main objective of this work is to develop a pair of Lommel matrix functions suggested by the hypergeometric matrix functions and some of their properties are studied. Some properties of the hypergeometric and Bessel matrix functions are obtained.

A. Sadeghi

The matrix functions appear in several applications in engineering and sciences. The computation of these functions almost involved complicated theory. Thus, improving the concept theoretically seems unavoidable to obtain some new relations and algorithms for evaluating these functions. The aim of this paper is proposing some new reciprocal for the function of block anti diagonal matrices. More...

Journal: :bulletin of the iranian mathematical society 2015
h‎. ‎ mirzaei k. ghanbari

‎in this paper‎, ‎we find matrix representation of a class of sixth order sturm-liouville problem (slp) with separated‎, ‎self-adjoint boundary conditions and we show that such slp have finite spectrum‎. ‎also for a given matrix eigenvalue problem $hx=lambda vx$‎, ‎where $h$ is a block tridiagonal matrix and $v$ is a block diagonal matrix‎, ‎we find a sixth order boundary value problem of atkin...

افتخاری‌ یزدی‌, پوپک‌, باغبان‌ اسلامی‌نژاد, محمدرضا, رضازاده‌ ولوجردی, مجتبی‌, کاظمی‌ آشتیانی, سعید ,

چکیده‌ مقدمه: ماده‌ خارج‌ سلولی‌ به‌ عنوان‌ بخش مهم‌ ریز محیط‌Microenvironment)‌(، نقش‌ اساسی‌ در نگهداری‌ وضعیت‌ تمایز ‌دارد. در بررسی‌های گذشته، این اثر‌ در برخی سلول‌ها از جمله ‌ سلول‌های‌ پوششی‌ لوله‌ رحم‌ و یا رحم‌ مطالعه شده است. در این پژوهش‌ها‌، برای حفظ‌ تمایز سلول ، علاوه‌ بر ماده ‌خارج‌ سلولی‌ عوامل‌ دیگر‌ی مانند هورمون‌ها، فاکتورهای رشد و سلول‌های داربستی‌ نیز بکار رفته است ولی فر...

Journal: :iranian journal of basic medical sciences 0
weiguo wang research on 2013 stage doctoral student of shandong university of traditional chinese medicine department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031 lin wang department of orthopedics, affiliated hospital of taishan medical university, taian, china, 271000 zhanwang xu shandong university of traditional chinese medicine, jinan, china, 250014 yanxia yin department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031 jun su department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031

objective(s): osteoarthritis (oa), as a known degenerative joint disease, is the most common form of arthritis. in this study, we aimed to elucidate unclear pathogenesis of oa. materials and methods: rabbit models of oa were established by the transection of the anterior cruciate ligament. rabbits were randomly divided into three equal groups: the experimental group (oa modeling, treated with e...

Journal: :Journal of High Energy Physics 2012

Journal: :Linear Algebra and its Applications 2001

Journal: :Bulletin of the American Mathematical Society 1944

Journal: :international journal of advanced biological and biomedical research 2013
monika saraswat a. k. wadhwani manish dubey

the principle of dimensionality reduction with pca is the representation of the dataset ‘x’in terms of eigenvectors ei ∈ rn  of its covariance matrix. the eigenvectors oriented in the direction with the maximum variance of x in rn carry the most      relevant information of x. these eigenvectors are called principal components [8]. assume that n images in a set are originally represented in mat...

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