高斯消去法的类

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 triangular (that is, it has all zeros below the diagonal). It seems that the assumption of positive definiteness is necessary. Actually, it is "positive definite" which guarantees the existence of such kind of decomposition. -Average factor decomposition method applied to positive definite matrix 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 = UU, where U is the square root matrix of X, and satisfies: (1) UU = X (2) U is upper triangular (that is, it has all zeros below the diagonal). It seems that the assumption of positive definiteness is necessary. Actually, it is positive

数据结构的课程设计，本算法是用vc++编写的，运行结果很好，大数加法-data structure of the curriculum design, the algorithm is prepared by the vc, good operating results, large numbers Adder! !

 用C语言实现的拓扑排序算法topological sorting

矩阵乘法是线性代数运算中最常见的运算,它在科学研究以及工程开发中都具有举足轻重的作用,提高其运算的效率是很多大型的学术研究中的内容,这边论文是分析主要的两个矩阵乘法算法.-Linear algebra matrix multiplication is the most common operation, it is in scientific research and engineering development have a decisive role in raising the efficiency of its operations for many large academic research of the contents of papers here is to analyze the main two a matrix multiplication algorithm.

温度控制PID调节，大家可以参考参考，用的是增量式PID调节方法，温控精度可以达到0.1摄氏度，具体我也不多说，Ki=KpT/Ti=0.8，微分系数Kd=KpTd/T=0.8,Td=0.0002,根据实验调得的结果确定这些参数

能运算的函数： sin,cos,tg,ctg,e^,pow(x,y),cosh,sinh,tgh,log10,ln,sqrt,arcsin,arccos, 运算方式： +,-,*,/,绝对值（“[ ]”）,^,!, 输入规则： 用键盘或按钮都可，输入完按回车运算，(光标要在最后) sin(21-32)/(12-43) 4(323-4343) 4*(323-4343) e^2-sin3-3^4,(不要输入pow(3,4)) //有无*都可 2*3^4是（2*3）^4 而不是2*(3^4) 也就是要用x^y就要一定要（x^y）加上一个括号 [3-4]是求3-4的绝对值不是中括号 -performance computing functions : sin, cos, tg, rays, e ^, pow (x, y), cosh, sinh, tgh, log10, ln, sqrt, Simulation, arccos computational methods : absolute ,-,*,/, ( "[]"),^,!, importation rules : a keyboard or buttons which can be imported by the transport operator End (cursor to the final) sin (21-32)/(12-43) 4 (323-4343) 4* ( 323-4343), e ^ 2- KF-3 ^ 4 (do not enter pow (3,4))//* there can be 2* 3 ^ 4 is (2* 3) ^ 4 rather than 2* (3 ^ 4) was needed x ^ y must have (x ^ y) with a brackets [3-4] is the pursuit of 3-4 is not the absolute value of the brackets

一个简单实用的进制转换算法，该算法能实现二、八、十、十六进制的相互转化。-a simple and practical base for the conversion algorithm, the algorithm can achieve 2, 8, 10, hexadecimal the mutual conversion.

使用matlab进行实现的kmeans算法。数据集。-use Matlab for achieving the kmeans algorithm. Data sets.

应用背景本代码主要实现搜索引擎的几个评估准则，包括NDCG@K、DCG@K、P@K、RR@K、ERR@K这五类评估准则的实现，这代码主要是根据RankLib中的评估准则代码以scala的形似展现出来，相对于RankLib中的 评估代码而言，本代码短小，可读性强，可移植性大，关键技术本文使用 的scala实现，对NDCG@K、DCG@K、P@K、RR@K、ERR@K这五类评估准则的实现，跟RankLib中的评估公式保持一致

采用背景差分法，用混合高斯背景建模，检测视频车辆，并显示视频的背景和前景。