搜索：matrix - 虫虫下载站

人工智能/神经网络  For the incomplete methods, we kept the representation of the queens by a table and the method of ca

For the incomplete methods, we kept the representation of the queens by a table and the method of calculation to determine if two queens are in conflict, which is much faster for this kind of problems than the representation by a matrix. heuristics: descent. Tests: 100 queens in less than 1 second ...

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数学计算  The module LSQ is for unconstrained linear least-squares fitting. It is based upon Applied Statisti

The module LSQ is for unconstrained linear least-squares fitting. It is based upon Applied Statistics algorithm AS 274 (see comments at the start of the module). A planar-rotation algorithm is used to update the QR- factorization. This makes it suitable for updating regressions as more data become a ...

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matlab例程  《精通MATLAB7.0混合编程》系统地介绍MATLAB 7.0的混合编程方法和技巧。全书共分为13章。第1章和第2章介绍MATLAB的基础知识

《精通MATLAB7.0混合编程》系统地介绍MATLAB 7.0的混合编程方法和技巧。全书共分为13章。第1章和第2章介绍MATLAB的基础知识，第3章简要介绍MATLAB混合编程，第4章至第9章分别介绍几种典型的混合编程方法，包括C-MEX、MATLAB引擎、MAT数据文件共享、Mideva、Matrix和Add-in。第10章、第11章介绍MATLAB与Delphi和Excel的混合 ...

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数据库系统  实验描述：分布式数据库的算法partition的具体实现。即通过该算法找到关系数据库最优分裂点

实验描述：分布式数据库的算法partition的具体实现。即通过该算法找到关系数据库最优分裂点，使得结果最优。算法思想： 1、首先根据所输入的attribute usage matrix得到AQ（） 2、对CA矩阵中划分点预先设在n-1处，并将属性列分成两个集合，TA和BA，TA中的元为：{ A1 、A2 …… An-1 },BA中的元素为：{ An} 3、确定集合 ...

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数据库系统  实验描述：分布式数据库的算法partition的具体实现。即通过该算法找到关系数据库最优分裂点(2个）

实验描述：分布式数据库的算法partition的具体实现。即通过该算法找到关系数据库最优分裂点(2个），使得结果最优。 1、首先根据所输入的attribute usage matrix得到AQ（） 2、对CA矩阵中划分点预先设在n-1处，并将属性列分成3个集合，TA和BA和MA， 3、确定集合TQ、BQ,MQ和OQ，其中TQ={ qj| AQ(qi) TA},BQ= TQ={ qj| AQ ...

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数学计算  寻找函数的全局极小值

寻找函数的全局极小值，global minimization of contrast function with random restarts the data are assumed whitened (i.e. with identity covariance matrix). The output is such that Wopt*x are the independent sources.

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matlab例程  Included are the files wav1.m, wav2.m, wavecoef.mat and readme. wav2 function implements the tree

Included are the files wav1.m, wav2.m, wavecoef.mat and readme. wav2 function implements the tree structured wavelet transform of the input matrix, up to the given level of decomposition. Wav2 uses another function called wav1, which takes the well known wavelet transform of the given matrix. Daube ...

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人工智能/神经网络  使用pso求最小化一函數 matlab程式碼

使用pso求最小化一函數 matlab程式碼，寫的非常簡潔(不到100行)，且還包括了2維的圖形展示，和大家分享參考!!! 一起學習matlab和各種optimize methods 最小化：(x-15)^2+(y-20)^2 The swarm matrix is swarm(index, [location, velocity, best position, best value], [x, y components or the value component]) Autho ...

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数学计算  平均因子分解法

平均因子分解法，适用于正定矩阵First, let s recall the definition of the Cholesky decomposition: Given a symmetric positive definite square matrix X, the Cholesky decomposition of X is the factorization X=U U, where U is the square root matrix of X, and satisfies: (1) U U = X (2) U is upper triangul ...

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其他行业  unix或linux下的DNA分析软件源码其功能如下 1. Edit up to 256 peptide or DNA sequences simultaneously. 2. Transla

unix或linux下的DNA分析软件源码其功能如下 1. Edit up to 256 peptide or DNA sequences simultaneously. 2. Translates DNA->protein click next to display next frame. 3. Dot matrix plot of any 2 sequences. 4. Rudimentary amino acid statistics (MW and amino acid percentage) 5. Saves matrix plot as PBM ima ...

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