نتایج جستجو برای: dimensional case
تعداد نتایج: 1715088 فیلتر نتایج به سال:
in this paper, we introduce the structure of a groupoid associated to a vector field on a smooth manifold. we show that in the case of the $1$-dimensional manifolds, our groupoid has a smooth structure such that makes it into a lie groupoid. using this approach, we associated to every vector field an equivalence relation on the lie algebra of all vector fields on the smooth...
در این پایان نامه سعی شده است برنامه ای جهت تحلیل سازه های دوبعدی تحت تاثیر بارگذاریهای مختلف ارائه گردد که قابل اجرا بر روی windows های 95 و 98 و یا بالاتر خواهد بود. در این برنامه که به نام aprodis، بر گرفته از حروف اول کلمات analysis program for two dimensional structure نامگذاری شده است ، امکانات متنوعی جهت استفاده کاربر تعبیه شده است . از جمله این موارد می توان به قابلیت ارائه شش نوع بارگذ...
in this thesis our aim is to construct vector field in r3 for which the corresponding one-dimensional maps have certain discontinuities. two kinds of vector fields are considered, the first the lorenz vector field, and the second originally introced here. the latter have chaotic behavior and motivate a class of one-parameter families of maps which have positive lyapunov exponents for an open in...
hadamard (or complete $cat(0)$) spaces are complete, non-positive curvature, metric spaces. here, we prove a nonlinear ergodic theorem for continuous non-expansive semigroup in these spaces as well as a strong convergence theorem for the commutative case. our results extend the standard non-linear ergodic theorems for non-expansive maps on real hilbert spaces, to non-expansive maps on had...
ابزارهای metacase همانند ابزار case، وسیله ای برای کمک به مهندسین نرم افزار در تحلیل، طراحی و ایجاد یک سیستم هستند. مزیتی که یک ابزار metacase بر یک ابزار case دارد، قابلیت انعطاف بالای آن است که متدولوژیهای مختلفی را پشتیبانی می کند و در نتیجه هر سازمان قادر است برای متدولوژی خاص خود، case موردنظر را توسط آن تعریف کند. هدف از این پایان نامه طراحی یک metacase است که به کمک آن بتوان متدولوژیهای ...
The digital image contains efficient and useful information which enables measurement and data acquisition. One of the methods that facilitate measuring and interpreting objects, using the image solely, is close-range photogrammetry. Among the various fields of science, whenever a precise measurement is required, this approach can be applied. One of these fields is Medical Sciences that due to ...
Abstract We prove that in two dimensions the contact interaction of wave functions is represented by a self-adjoint operator. Together with confining potential, this provides stable condensate two-particle systems. Recall three one has four (the Bose–Einstein condensate).
It is shown that the Coxeter-Todd lattice is the unique strongly perfect lattice in dimension 12.
There is extensive mathematical literature on the inverse problem of deautoconvolution for a function with support in unit interval $[0,1] \subset \mathbb{R}$, but little known about multidimensional situation. This article tries to fill this gap analytical and numerical studies reconstruction real two variables over square from observations its autoconvolution $[0,2]^2 \mathbb{R}^2$ (full data...
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