投影矩阵

In this paper, we propose a simple alternating direction method. It needs only to perform some matrix-vector productions and projection onto a simple set.

在每一步迭代中，只需要做矩阵－向量乘法和到简单集合的投影，使得算法的效率得到保证。

The author also presents the ridge estimate of the parameters by alternating projection when the designing matrix is multicollinearity.

同时还给出了当设计矩阵为复共线时，评估模型基于交互投影迭代算法的参数岭估计算法。

Next, kernel PCA is used to construct a set of orthogonal coordinate base in feature space.

其次，在特征空间中，利用协方差矩阵的非零特征向量构造了一组正交基，并将变换后的光谱向量投影到特征空间中的正交基上。

In Chapter 2 and Chapter 3, we give the solutions of integral form on Orbifold T2/ZN(N = 3,4,6).These solutions include all the projection operators which have minimal trace and the induced matrices of which are continuous functions of kq. In terms of this kind of solution one can construct various closed form of solutions.

在第二章和第三章中我们给出了T~2/Z_N(N=3，4，6)上的以积分形式表达的解，这些解包括所有具有最小迹且诱导矩阵是kq参量连续函数的投影算子，并且可以由它进而构造各种有限形式的解。

In Chapter 2 and Chapter 3, we give the solutions of integral form on Orbifold T〓/Z〓(N=3, 4, 6). These solutions include all the projection operators which have minimal trace and the induced matrices of which are continuous functions of kq. In terms of this kind of solution one can construct various closed form of solutions.

在第二章和第三章中我们给出了T〓/Z〓（N=3，4，6）上的以积分形式表达的解，这些解包括所有具有最小迹且诱导矩阵是kq参量连续函数的投影算子，并且可以由它进而构造各种有限形式的解。

Research on calibration of cameras based on cross ratio invariability ;2. Firstly,order radial lens distortion parameters are computed by using cross ratio invariability .

该方法利用透视投影的交比不变性原理标定镜头的畸变系数，基于摄像机成像的单应性矩阵及内部参数的基本约束，线性标定出其他摄像机参数。

First,the original images are divided into blocks in proposed method,then ICA could be directly used to all the blocks to construct the eigenspace,at last the blocks of one images are projected to the eigenspace to feature extract and recognition.

分块独立成分分析方法先对图像矩阵进行分块；然后对所有图像子块联合进行独立成分分析，构造特征空间；最后把图像所有的子块投影到特征空间提取特征进行分类识别。

Those corresponding to larger eigenvalues will be more important in describing the superblock state, therefore, a criteria is setup for selecting the states.

只有通过考虑"环境"对"体系"的影响，将整个系统（由"环境"和"体系"组成）的态投影到"体系"构成密度矩阵，由密度矩阵本征值按大小排序的态构成的"体系"的优选态。

By utilizing the unitary matrix, the transmitter decouples the input signal into spatial orthogonal beam directions with the matched filters in beam directions in the receiver, and the gain obtained by each data block can be equivalent to the sum of the projection from the channel matrix to the corresponding beam directions. Beam selection is adopted to maximize the minimum gains of all the blocks, which can improve the system diversity gain efficiently.

发射端采用酉矩阵将数据映射到空间正交的波束方向上，通过接收端波束方向上的匹配滤波，各数据分块所获得的增益为信道矩阵在其波束方向上的投影之和，波束选择通过最大化所有数据分块最小增益，从而有效地提高了系统的分集增益。

Bases on the XML Key, the algorithm firstly dealt with XML structure to vector matrix, then used project frequent pattern tree to optimize the XML structure through dissociating, uniting, updating and canceling to satisfy the conciseness of the XML structure and query multiversity.

该算法以XML键为基础，利用向量矩阵处理方法、投影频繁模式树实现XML结构的分裂、合并、更改与取消等操作，同时讨论XML键向量矩阵频繁项集的划分规则及相应启发式策略与支持度阈值。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。