Crop_images

说明：  MTALAB源代码，关于数字匹配，可以识别图片上的数字和字母，代码简单，可提供学习。(MTALAB source code, on the number of matches, can identify numbers and letters on the picture, the code is simple, to provide learning.)

包括瞳孔和虹膜的半径找眼睛的瞳孔部位和眼睛虹膜的部分 同时会标基础眼睛中心的位置 (找眼睛的瞳孔部位和眼睛虹膜的部分 同时会标基础眼睛中心的位置 包括瞳孔和虹膜的半径-Find parts of the eye pupil and the iris of the eye at the same time part of the logo based on the location of the eye including the pupil center and iris radius)

非线性曲线拟合是已知输入向量xdata和输出向量ydata，并且知道输入与输出的函数关系为ydata=F(x, xdata)，但不知道系数向量x。今进行曲线拟合，求x使得输出的如下最小二乘表达式成立： min Σ(F(x,xdatai)-ydatai)^2(Nonlinear curve fitting is a known input and output vectors xdata vector ydata, and know the relationship between the input and output functions for ydata = F (x, xdata), but do not know the coefficient vector x. As least-squares curve fitting expression today, find x such that the output of the establishment: min Σ (F (x, xdatai)-ydatai) ^ 2)

audio jack communication

matlab曲线拟合工具箱，包含进行曲线拟合的所有内容，非常方便使用。(matlab curve fitting toolbox contains curve fitting, and is very convenient to use.)

基于BUCK降压斩波的无刷直流电机仿真控制模型(buck bldc contrl)

zigbee files in matlab code

This code calculates and plots the shear between two z-levels zlevel1 and zlevel2. It uses output from files make_zeta_u.c, make_zeta_v.c and make_zeta_T.c i.e. files bearing names ufile??zlevel.dat, vfile??zlevel.dat and Tfile??zlevel.dat

蒙特卡罗分析，动态显示圆的生成，计算pi(Monte Carlo analysis, dynamic display circle generation, calculating pi)

Determine if an integer is a prime number. If not, provide the largest prime number by which the given number is divisible.