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Description: curve_test is a set of 3 programs to demonstrate 3 different kind of
third-order parametric curves: Hemite curve segments, Bezier curve
segments, and Splines. Hemite curves are defined by two endpoints and
two vectors, Bezier curves are defined by four points, and Spline curves
are defined by 4+n points.-curve_test is a set of three programs to demonst rate 3 different kind of third-order Parametri c curves : hermitian curve segments, Bezier curve segments, and Splines. hermitian curves are defined by two en dpoints and two vectors. Bezier curves are defined by four points, and spline curves are defined by n points.
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Size: 6707 |
Author: Jet Lan |
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Description: 如何生成Hemite曲线，利用Visual C++开发，可以实现控制顶点的移动-how hermitian curve generated using Visual C development, can achieve a mobile control vertices
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Size: 38575 |
Author: liu |
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Description: Subroutine MCHOLSK :To solves a hermitian positive definite set of
complex linear simultaneous equations (AX=B) using the Cholesky
decomposition method.
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Size: 2754 |
Author: 张华 |
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Description: 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]
Platform: |
Size: 10609 |
Author: 薛耀斌 |
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Description: Automatic target detection in SAR image is the first stage in the ATR (Automatic Target Recognition) system. It is very important to improve the computing efficiency of the whole system. A conventional automatic target detection method is CFAR (constant false alarm rate) which is based only on the amplitude, discards the phase and thereby sacrifices half information of the SAR imagery. Almost each CFAR brings a large number of false alarms. 2L-IHP (two-look internal Hermitian product) is a new method which exploits the phase and amplitude information. In this paper, both CFAR and 2L-IHP algotithms are compared with an emphasis on 2L-IHP. The 2L-IHP algorithm for target detection is discussed briefly first. In order to apply it widely, it is modified to circumvent the constraint of the data. For polarimetric SAR images, PWF (Polarimetric Whitening Filter) is used to generate an image for target detection. According to ADTS data set, these algorithms are analyzed and evaluated respectively. C-、L- and P- band AIRSAR data are also processed, and some tentative conclusions are derived: Considering the penetrating ability of the microwave, L-band got the best detection accuracy of the three bands; HH polarization performed better for target detection than VV and HV polarization; Moreover, because more information is contained in polarimetric SAR data, here, we conclude that polarimetric SAR data have advantages over single polarized SAR data when they are applied for target detection. But all these conclusions need further validation.
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Size: 288371 |
Author: xbtown@126.com |
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Description: curve_test is a set of 3 programs to demonstrate 3 different kind of
third-order parametric curves: Hemite curve segments, Bezier curve
segments, and Splines. Hemite curves are defined by two endpoints and
two vectors, Bezier curves are defined by four points, and Spline curves
are defined by 4+n points.-curve_test is a set of three programs to demonst rate 3 different kind of third-order Parametri c curves : hermitian curve segments, Bezier curve segments, and Splines. hermitian curves are defined by two en dpoints and two vectors. Bezier curves are defined by four points, and spline curves are defined by n points.
Platform: |
Size: 7168 |
Author: Jet Lan |
Hits:
Description: 如何生成Hemite曲线，利用Visual C++开发，可以实现控制顶点的移动-how hermitian curve generated using Visual C development, can achieve a mobile control vertices
Platform: |
Size: 37888 |
Author: liu |
Hits:
Description: 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]
Platform: |
Size: 10240 |
Author: 薛耀斌 |
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Description: Hermite SVD, source which allow to perform solving eigenvalue problem
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Size: 47104 |
Author: luxury |
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Description: Seldon is a C++ library for linear algebra. It provides vectors and matrices: full, sparse, triangular, hermitian, ... It includes interfaces to Blas, Lapack, Mumps, SuperLU and UmfPack. Seldon implements several solvers such as Gmres, BiCgSTAB, Qmr, -Seldon is a C++ library for linear algebra. It provides vectors and matrices: full, sparse, triangular, hermitian, ... It includes interfaces to Blas, Lapack, Mumps, SuperLU and UmfPack. Seldon implements several solvers such as Gmres, BiCgSTAB, Qmr, ...
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Size: 293888 |
Author: TealCh |
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Description: acdc algorithm for finding the
approximate general (non-orthogonal)
joint diagonalizer (in the direct Least
Squares sense) of a set of Hermitian
matrices.-acdc algorithm for finding the
approximate general (non-orthogonal)
joint diagonalizer (in the direct Least
Squares sense) of a set of Hermitian
matrices.
Platform: |
Size: 12288 |
Author: neda |
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Description: 为寻找近似一般（非正交）联合（直接在最小二乘意义上的）的埃尔米特集acdc算法矩阵。- The acdc algorithm for finding the
approximate general (non-orthogonal)
joint diagonalizer (in the direct LeastSquares sense) of a set of Hermitian matrices.[acdc.m]
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Size: 12288 |
Author: 叶希 |
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Description: IRBLEIGS: Finds a few eigenvalues and eigenvectors of a Hermitian matrix.
IRBLEIGS will find a few eigenvalues and eigenvectors for either the standard eigenvalue problem A*x = lambda*x or the generalized eigenvalue problem A*x = lambda*M*x, where A is a sparse Hermitian matrix and the matrix M is positive definite.
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Size: 15360 |
Author: Judy |
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Description: 幂指数多项式 勒让德多项式 车比雪夫多项式 艾米特多项式-Exponential polynomial Legendre polynomials Chebyshev polynomials Hermitian polynomial car
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Size: 285696 |
Author: lj |
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Description: 应用Cholesky分解算法，求解复数线性一致hermitian正定方程组。-Application of Cholesky decomposition algorithm, to solve the same complex hermitian positive definite linear equations.
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Size: 1024 |
Author: yuanman |
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Description: 英语译成中文(简体)
所提供的功能解决在量子信息领域的共同问题。给定一个任意多粒子的状态，是真正的多方纠缠？如果被检测为纠缠状态，功能也为它提供了一个所谓的纠缠的见证。
另外一个文档，压缩文件中包含的检测和真正的多方纠缠量化功能。为此目的，乙Jungnitsch，吨Moroder和O. Gühne，物理的思想。牧师快报。 106，190502（2011）（或http://arxiv.org/abs/1010.6049）被应用。
更确切地说，提供下列文件：
* fdecwit.m
一个函数来检测任何一个国家真正的多方层面多方纠缠。如果国家被检测为纠缠，它也提供了一个证人。
* fpptwit.m
此功能还可以检测真正的多方纠缠，并提供了证人。然而，所涉及的最小化是那么复杂。因此，虽然它检测到的国家较少，这个功能是一个可行的颗粒较多。
* entmon.m
评估纠缠单调在Phys主办。牧师快报。 106，190502（2011年）的多方状态。
* pt.m
辅助函数来计算一个Hermitian算子部分转置。-The provided functions tackle a common problem in the field of quantum information. Given an arbitrary multiparticle state, is it genuinely multipartite entangled ? If the state is detected as entangled, the functions also provide a so-called entanglement witness for it.
Besides a documentation, the zip-file contains functions for the detection and quantification of genuine multipartite entanglement. For this purposes, the ideas of B. Jungnitsch, T. Moroder and O. Gühne, Phys. Rev. Lett. 106, 190502 (2011) (or http://arxiv.org/abs/1010.6049) are applied.
More precisely, the following files are provided:
* fdecwit.m
A function to detect genuine multipartite entanglement of a multipartite state of any dimension. In case the state is detected as entangled, it also provides a witness.
* fpptwit.m
This function also detects genuine multipartite entanglement and provides a witness. However, the involved minimization is less complex. Therefore, although it detects fewer states, this f
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Size: 64512 |
Author: driiawrl |
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Description: The largest eigenvalue of Hermitian random matrices: a moment approach
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Size: 130048 |
Author: Yu |
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Description: CVM C++类库封装了很多矩阵计算的函数。是科研、数值计算必不可少的工具。其中包括各种矩阵和向量的定义，如方阵、对称矩阵、共轭矩阵等。-CVMC++ class library1 encapsulates the concepts of vector and di erent kinds of matrices including square, band, symmetric and hermitian ones, in Euclidean space of real and complex numbers.
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Size: 207872 |
Author: wangtao |
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Description: 线性Hamiltonian系统的振动性——Discrete Dynamics in Nature and Society -By employing a generalized Riccati technique and an integral averaging
technique, some new oscillation criteria are established for the second
order matrix differential system U′ = A(t)U+ B(t)V V ′ = C(t)U A∗ (t)V
where A(t) B(t) C(t) are (n n)-matrices, and B C are Hermitian. These
results are sharper than some previous results.
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Size: 95232 |
Author: Guo yingxin |
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Description: C script for solving Hermitian positive definite set of complex linear simultaneous equations using Cholesky decompisition method.
Platform: |
Size: 1024 |
Author: zcos123 |
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