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solutionexofractions
- java有关分数的运算,包括加法,减法,乘法,除法,倒数,相反数等-java the scores of operations, including addition, subtraction, multiplication, division, inverse, opposite number, etc.
IDWUtil
- Java实现的反距离加权插值算法以及点到直线的距离。-Java implementation of inverse distance weighted interpolation algorithm and the distance from point to line.
calculator
- 实现了计算器一些简单的功能,有界面。实现了+、-、*、/、平方根、倒数、余弦、正弦、正切、相反数。-Calculator simple interface. Realized+,-,*, /, the root, the inverse cosine, sine, tangent, opposite number.
Matrix
- Java 矩阵加法,乘法逆,转置,及其他相关算法。主要功能是作为静态的方法。 -Java matrix addition, multiplication, inverse, transpose, and other related algorithms. The main function is as a static method.
src
- java计算器源码 内含三角函数,反三角函数,阶乘等运算,大多属于函数库调用-java calculator source code contains trigonometric functions, inverse trigonometric functions, factorial operation, most of them belonging to the library calls
jk3d
- jk3d is a java code for 3d interpolation of scattered data. jk3d uses a quality weighted ordinary Kriging method and optional an inverse distances weighting method. It has no graphical user interface and uses ASCII files to define the input.
Fast-Fourier-Transform
- JAVA实现的快速傅里叶变换机器逆变换的代码,带界面-Fast Fourier Transform machine code of the inverse transform
Prac
- 矩阵的求逆运算,给了个小例子,适合初学者学习-Matrix inverse operation, give a small example, for beginners to learn
Matrix
- 采用随机数产生2到10阶的随机矩阵,并实现了矩阵的相关运算,比如:加减,乘除,求逆,求行列式-Using random Numbers generated random matrix from 2 to 10 order , and achieving relative to the implementation of the matrix operations, such as: add and subtract, multiple and divided, inverse and deter
Matrix
- 一个用java语言编写的矩阵类,可以实现基本的矩阵操作,包括加减乘除,转置求逆等等。-A matrix with java language classes, you can achieve the basic matrix operations, including addition, subtraction, transpose inverse and so on.
filtering
- 用JAVA写的带通滤波代码,实现思路很简单,没有采用各种数字滤波的方法。而是通过傅里叶变换到频域,将要求外的频率均置0,再逆傅里叶变换得到的。效果还不错。-Written using JAVA bandpass filtering code to achieve the idea is very simple, without using a variety of digital filtering approach. But through the Fourier transform to t
IDW_JAVA
- 反距离加权插值(IDW),Gis二维等值线网格化中常用的,采用java语言实现,内有实例,测试代码,很实用的-Inverse distance weighted interpolation (IDW), Gis-dimensional contour grid commonly used, using java language, there are examples, test code, very useful
nurbs-java
- java写的非均匀B样条插值曲线,从Excel导入原始数据,然后反算控制节点,最后将所有插值点导出到Excel中-java app for non-uniform B-spline interpolation curve, importing raw data from Excel, and then inverse control node, and finally to export to Excel all interpolation points
Project_Forier
- 个人写的一维快速傅里叶运行环境,运行成功,求指教,内有三个版本,test_orderForier 计算出输入数组的顺序,成功。 test_line 计算一维数据的傅立叶变换,实验中。 完成 test_line1 优化,进行中 将函数从main文件中提取出来。 test_line2 傅立叶反变换。改变参数接口,成功,证明反变换是用波形函数作为输入,而不是频谱值 vc6.0,-Personal one-dimensional fast Fourier write operat
tfidf
- Java下 TF-IDF(term frequency–inverse document frequency)代码。-Java TF-IDF (term frequency- inverse document frequency) code.
IDF
- IDF反映了在文档集合中一个单词对一个文档的重要性,经常在文本数据挖据与信息提取中用来作为权重因子。在一份给定的文件里,词频(termfrequency-TF)指的是某一个给定的词语在该文件中出现的频率。逆向文件频率(inversedocument frequency,IDF)是一个词语普遍重要性的度量。-IDF reflects the importance of a word in a document collection for a document, often in the text
IOStream
- 打开第11 章中讲到的IOStreamDemo.java 文件,一次读取其中的一行,令每行形成一个String 对象。然后利用java.util.Comparator 接口重新定义String 对象间的比较方法:将每个String 中的小写字母转为大写后再进行比较。使用该比较法对这些String 进行排序,按从大到小的顺序存入一个LinkedList。最后将LinkedList 中的String 按存入的相反顺序输出到另一个文件inverse.txt 中。-Open the IOStreamDe
primal_dual
- 反问题的对偶空间方法,对初学者很有帮助,可以下载学习。-Dual space method of inverse problem, very helpful for beginners, you can download the study.
CMatrixForCpp
- 一个以double类型为基类型的矩阵类,实现了矩阵的加、减、乘、转置、求逆等基本操作。VC++程序。-a type of double-types of matrices, the matrix to achieve the increase, subtraction, multiplication, transpose, basic inverse operation. VC procedures.
stringTest
- 打开第 11 章中讲到的 IOStreamDemo.java 文件,一次读取其中的一行,令每行形成一个 String 对象。然后利用 java.util.Comparator 接口重新定义 String 对象间的比较方法:将每个 String 中的小写字母转为大写后再进行比较。使用该比较法对这些 String 进行排序,按从大到小的顺序存入一个 LinkedList。最后将LinkedList 中的 String 按存入的相反顺序输出到另一个文件 inverse.txt 中-Open the e