A 2D homogeneous Helmholtz case (u=sin(x)cos(y) with a square) with ％ two Dirichlet edges (x=1,y=1) and two Neumann edges (x=0,y=0) ％ by indirect Symmetric BKM
标签： with homogeneous Helmholtz Dirichlet
上传时间： 2016-01-03
上传用户：xjz632
An object-oriented C++ implementation of Davidson method for finding a few selected extreme eigenpairs of a large, sparse, real, Symmetric matrix
标签： object-oriented implementation Davidson eigenpai
上传时间： 2014-01-09
上传用户：TRIFCT
This file contains a C++Builder 4 project called SimplyChaos-X ver 3.1 (SCX31). SCX31 is an encryption tool. I designed it as my graduation paper work. SCX31 is a Symmetric stream cipher built on chaos function, one time pad cipher and inspiration from Ground Effect (aviation). The key length can be up to 40 characters (320 bits).
标签： SimplyChaos-X SCX contains Builder
上传时间： 2016-06-07
上传用户：nanshan
An optimal neuron evolution algorithm for the restoration of linearly distorted images is presented in this paper. The proposed algorithm is motivated by the Symmetric positive-definite quadratic programming structure inherent in restoration. Theoretical analysis and experimental results show that the algorithm not only significantly increases the convergence rate of processing, hut also produces good restoration results. In addition, the algorithm provides a genuine parallel processing structure which ensures computationally feasible spatial domain image restoration
标签： restoration evolution algorithm distorted
上传时间： 2013-12-21
上传用户：yy541071797
摘 要 基于IP的语音、数据、视频等业务在NGN网络中所面临的一个实际困难就是如何有效地穿透各种NAT/FW的问题。对此，会话初始化协议SIP以往的解决方法有ALGs，STUN，TURN等方式。本文探讨了一种新的媒体会话信令穿透NAT/FW的解决方案—交互式连通建立方式(ICE)。它通过综合利用现有协议，以一种更有效的方式来组织会话建立过程，使之在不增加任何延迟同时比STUN等单一协议更具有健壮性、灵活性。本文详细介绍了ICE算法，并设计一个实例针对SIP信令协议穿透Symmetric NAT流程进行了描述，最后总结了ICE的优势及应用前景。
上传时间： 2016-08-14
上传用户：trepb001
this directory contains the following: * The acdc algorithm for finding the approximate general (non-orthogonal) joint diagonalizer (in the direct Least Squares sense) of a set of Hermitian matrices. [acdc.m] * The acdc algorithm for finding the same for a set of Symmetric matrices. [acdc_sym.m](note that for real-valued matrices the Hermitian and Symmetric cases are similar however, in such cases the Hermitian version [acdc.m], rather than the Symmetric version[acdc_sym] is preferable. * A function that finds an initial guess for acdc by applying hard-whitening followed by Cardoso s orthogonal joint diagonalizer. Note that acdc may also be called without an initial guess, in which case the initial guess is set by default to the identity matrix. The m-file includes the joint_diag function (by Cardoso) for performing the orthogonal part. [init4acdc.m]
标签： approximate directory algorithm the
上传时间： 2014-01-17
上传用户：hanli8870
The applet illustrates the behaviour of binary search trees, Searching and Sorting Algorithms, Self-adjusting Binary Search Trees, Symmetric binary B-trees,聽Data structure and maintenance algorithms
标签： illustrates Algorithms Searching behaviour
上传时间： 2017-04-10
上传用户：helmos
a true random number generator (TRNG) in hardware which is targeted for FPGA-based crypto embedded systems. All crypto protocols require the generation and use of secret values that must be unknown to attackers.Random number generators (RNG) are required to generate public/private key pairs for aSymmetric algorithm such as RSA and Symmetric algorithm such as AES.
标签： FPGA-based generator embedded hardware
上传时间： 2014-01-09
上传用户：一诺88
Computes all eigenvalues and eigenvectors of a real Symmetric matrix a, ! which is of size n by n, stored in a physical np by np array. ! On output, elements of a above the diagonal are destroyed. ! d returns the eigenvalues of a in its first n elements. ! v is a matrix with the same logical and physical dimensions as a, ! whose columns contain, on output, the normalized eigenvectors of a. ! nrot returns the number of Jacobi rotations that were required. ! Please notice that the eigenvalues are not ordered on output. ! If the sorting is desired, the addintioal routine "eigsrt" ! can be invoked to reorder the output of jacobi.
上传时间： 2016-06-04
上传用户：1512313
Abstract—In the future communication applications, users may obtain their messages that have different importance levels distributively from several available sources, such as distributed storage or even devices belonging to other users. This scenario is the best modeled by the multilevel diversity coding systems (MDCS). To achieve perfect (information-theoretic) secrecy against wiretap channels, this paper investigates the fundamental limits on the secure rate region of the aSymmetric MDCS (AMDCS), which include the Symmetric case as a special case. Threshold perfect secrecy is added to the AMDCS model. The eavesdropper may have access to any one but not more than one subset of the channels but know nothing about the sources, as long as the size of the subset is not above the security level. The question of whether superposition (source separation) coding is optimal for such an AMDCS with threshold perfect secrecy is answered. A class of secure AMDCS (S-AMDCS) with an arbitrary number of encoders is solved, and it is shown that linear codes are optimal for this class of instances. However, in contrast with the secure Symmetric MDCS, superposition is shown to be not optimal for S-AMDCS in general. In addition, necessary conditions on the existence of a secrecy key are determined as a design guideline.
标签： Fundamental Limits Secure Class on of
上传时间： 2020-01-04
上传用户：kddlas
