常用数学计算工具

哈夫曼编码和解码系统,并可对文件进行编码-Huffman coding and decoding system, the documents can be encoded

编译原理课程设计java版源代码，有运算符优先算法、DFA、LL1、LR

题目：n阶方阵求逆的实现总体需求：编写一个实现求矩阵逆矩阵的程序。功能需求：1) 输入一个n（n

利用PML吸收边界条件计算对称阵子天线的辐射，并且画出动态图像-PML absorbing boundary conditions for the use of Symmetric stream of the antenna radiation, and to draw dynamic image

用于运算加减乘除的四则运算代码. 用一个复数结构ComplexNumber来存放一个复数；-arithmetic operations for the four Operational code. Using a complex structure ComplexNumber to store a plural;

对数回归方程 LogarithmRegress.cs 方程模型为 Y=a*LnX+b public override double[] buildFormula() 得到系数数组，存放顺序与模型系数相反，即该数组中系数的值依次是b,a。 public override double forecast(double x) 预测函数，根据模型得到预测结果。 public override double computeR2() 计算相关系数（决定系数），系数越接近1，数据越满足该模型。 -Logarithmic regression equation LogarithmRegress.cs equation model for Y = a* LnX+ Bpublic override double [] buildFormula () get coefficient array, the storage order and model coefficients contrary, that is, the array is followed by the value of coefficient b, a. public override double forecast (double x) prediction function, according to the results of model prediction. public override double computeR2 () calculated the correlation coefficient (determination coefficient), coefficient of the closer one, the data satisfy the model more.

清华大学2002年出版的《科学与工程数值计算算法VC＋＋》配套源码，包括复数计算、矩阵运算、插值计算、线性非线性方程组求解、数值积分、数值拟和与逼近等算法和类，对于科学和工程数值计算很有参考价值！-Qinghua University, in 2002 published "Science and engineering numerical algorithm VC++" complementary source, includes the plural, matrix computation, interpolation, linear solve nonlinear equations, numerical integration, and the proposed numerical approximation algorithms and other categories, science and engineering numerical computation of great reference value!

应用背景人脸识别准确率97.18%，1秒完成。可能是复杂的，在光的工作环境是真实的，并支持更多的人的脸在一个场景中的检测，识别关键技术# Matlab C，C + +试着usb_device_id.txt USB设备文件ID号，而不是1或2，所以给它一个尝试。1。人脸识别模式1C1速度：320×240，P4 2.4GHz CPU：图像尺寸小于1秒，（总数无关的图书馆）。2。人脸识别模式1cn速度

异步电动机制动特性的仿真程序-asynchronous motor braking characteristics of the simulation program