搜索资源列表
Numerical-methods
- 关于hamming级数求和的数值计算程序-Sum of the values on the hamming calculation program
tetgen
- 三维任意区域的四面体网格剖分,本代码为开源的Tetgen生成的代码,可以方便大家在三位有限元数值算例时计算复杂的区域-The tetrahedral mesh 3D any area of the code code open source Tetgen generation cases when the computational complexity of the area, you can easily three finite element numerica
qiutezhenggen
- 使用QR算法求对称矩阵的特征值和特征向量-QR Algorithm for Symmetric matrix with the eigenvalues and eigenvectors
matrix
- //--显示矩阵,形参m为行,n为列 void MatrixDisplay(double *A,int m,int n) //--求矩阵转置,形参m为行,n为列,A转置后存为B void MatrixInverse(double *A,double *B, int m,int n) //--求矩阵相乘,A矩阵为[m,p],B矩阵为[p,n],C为[m,n] void MatrixMultiply(double *A,double *B,double *C ,i
standard-normal-distribution
- 标准正态分布的源代码,用visual studio打开,已带有简单界面,输入值即可查询相应的标准正态分布值-Standard normal distribution of the source code, visual studio open, has been with a simple interface, you can check the corresponding input values of the standard normal distributio
Curve-fitting-algorithm
- 用最小二乘法,在已知函数点x0,x1……xn的函数值y0,y1……yn的情况下,求拟合多项式-The least square method, the known function points x0, x1 ... ... xn of the function values y0, y1 ... ... yn circumstances, find fitting polynomial
0qrjava
- 求矩阵特征值和特征向量的算法:QR算法。用于线性方程组的求解,和反幂法算法的设计-Matrix eigenvalues and eigenvectors of the algorithms: QR algorithm. For solving linear equations, and inverse power law algorithm design
calculate-the-eigenvalues
- 本程序是通过反幂法计算矩阵特征值和特征向量,该方法已经调试通过。实验验证,本方法计算效率高 时间复杂度相对其他算法较低。-This procedure is calculated by inverse power eigenvalues and eigenvectors, the method has been debugged. Experiments, the high efficiency of this method time complexity is lo
aiermite
- 3次艾尔米特插值,数值分析课程例题。插值函数不但在节点上与原函数值相等,而且还在节点上相切,对应的导数值也相等,甚至要求高阶导数也相等。-3 Al Mitt interpolation, numerical analysis course examples. Interpolation function not only in the nodes of the original function values are equal, but also tangentia
Quadratic-interpolation
- 本程序用二次插值法计算任意点的函数值,欢迎下载-This procedure calculated by quadratic interpolation function values at any point, please download
ju--zhen-xaing--jia
- 矩阵相加 对于初学者非常有用 Dim irow As Integer Dim icol As Integer Dim iA(3, 2) As Integer Dim iB(3, 2) As Integer Dim iC(3, 2) As Integer Dim rand = New Random(CInt(Date.Now.Ticks And Integer.MaxValue)) For irow = 0 To 3 For icol = 0 To 2
cos_sin_div_mul_exp_log_ontrt_opowr
- 计算单值或多值单复变(复正弦、复余弦、复正切、复自然对数ln、复指数、复数的n次幂、复数的1/n次幂、复椭圆正弦sn);计算sn,cn,dn,snh,cnh等实函。-Single or multiple values calculated single complex variable (complex sine, cosine complex, complex tangent, complex natural logarithm ln, complex expone
area
- 求矩形面积:输入矩形长和宽,输出矩形面积-Seeking a rectangular area: Enter length and width of the rectangle, the output area of a rectangle
Matrix-multiplication-problems-with
- 给定n个矩阵{A1,A2,…,An},其中Ai与Ai+1是可乘的,i=1,2,…,n-1。要算出这n个矩阵的连乘积A1A2…An。由于矩阵乘法满足结合律,故计算矩阵的连乘积可以有许多不同的计算次序。这种计算次序可以用加括号的方式来确定。若一个矩阵连乘积的计算次序完全确定,也就是说该连乘积已完全加括号,则可以依此次序反复调用2个矩阵相乘的标准算法计算出矩阵连乘积。本文的功能是采用动态规划算法,给出矩阵的一种最优的加括号方式,是计算量最小。-Given n matrices {A1, A2, ...
wrkHuJiaodu
- 将弧度的值与角度的值互相转换,便于数学计算,计算使用的π精确度高-The value of the curvature and angle values interchangeable, easy math, calculated using the high accuracy of π
numeral-examples
- 用gauss-sedel、SOR、梯度法、PR格式等分别计算数值微分方程,PR方法实现二阶微分方程的数值求解-With a gauss-sedel, SOR, gradient, PR format values were calculated differential equations, PR method the numerical solution of second-order differential equations
xuhanshu
- 一个程序计算三角,正方形和圆形的面积。 分析:依题意,可以抽象出一个基类CBase,在其中说明一个虚函数,用来求面积,并利用单接口、多实现版本设计各个图形求面积的方法。C++初学者的大作业 -A program to calculate the triangle, square and round the area. Analysis: According to the meaning of problems can be an abstract base class CBase, wh
xuhanshu2
- 编写一个程序计算正方形、球体和圆柱体的表面积和体积。依题意,抽象出一个公共基类CContaineer为抽象类,在其中定义求表面积和体积的虚函数(该抽象类本身没有表面积和体积可言)。抽象类中定义一个公共的数据成员radius,此数据可作为球体的半径、正方形的边长、圆柱体底面积圆半径。由此抽象类派生出要描述的三个类,在这三个类中都具有求表面积和体积的重定义版本。 -Write a program to calculate square, sphere and cylinder surface a
Principal-contens-analysis(PCA)
- 用于主成分分析(PCA),包括,原变量相关系数矩阵的特征向量和特征值的求解,主成分的提取,载荷值的确定等-Used principal component analysis (PCA), including the original variable correlation matrix eigenvectors and eigenvalues of the solution, the main component of the extract, load value
Apriori
- 该算法应用于单维、单层、布尔关联规则,其核心是基于两阶段频集思想的递推算法。首先找出所有的频集,这些项集出现的频繁性至少和预定义的最小支持度一样。然后由频集产生强关联规则,这些规则必须满足最小支持度和最小可信度。-The algorithm is applied to one-dimensional, single-layer, Boolean association rules, its core is based on the idea of a two-stag
