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Here s the code! Too many people ask for this Using this code you can save an image item as a jpeg image, specifying the quality of it. Jpeg quality is the same as compression so the lower the quality, the smaller the file size. It s simple to use(Here's the code! Too many people ask for this Using this code you can save an image item as a jpe g image, specifying the quality of it. Jpeg quality is th e same as compression so the lower the quality, the smaller the file size. It's simple to use)

矩阵转换四元数代码 欧拉角转换四元数代码 四元数转换到矩阵代码(The quaternion matrix transformation code Euler angles conversion quaternion code converts quaternion to a matrix code)

关于地震复数道的程序，对于学习地球物理的同学有帮助。(Application of seismic complex trace for learning geophysical classmates help. )

说明：  qr变换和householder求特征值的算法，可与matlab结果比对(qr transform and householder eigenvalue algorithm, the results compare with matlab)

由于libsvm的matlab版本的工具箱libsvm-mat并没有给出寻参的函数模块，而无论利用libsvm工具箱进行分类还是回归，参数的选取是十分重要的，鉴于此libsvm-mat-2.89-3[FarutoUltimate3.0]在 libsvm-mat-2.89-3的基础上给出相应的辅助函数插件，方便用户来选取最佳的参数，现对该工具箱里主要的辅助函数插件的接口进行介绍。(As the matlab version of the toolbox libsvm libsvm-mat and did not give to find a function module parameters, regardless of classification using libsvm toolbox or regression, parameter selection is very important, in view of the libsvm-mat-2.89-3 [ FarutoUltimate3.0] in libsvm-mat-2.89-3 is given on the basis of the corresponding auxiliary function plugin user to select the best parameters, the toolbox is the main interface to plug the auxiliary functions are introduced.)

simulink一些应用实例和相关练习 很与参考价值(simulink some application examples and related exercises are with the reference value)

2元BPSK调制加高斯信道硬判决统计误码率(2 yuan plus Gaussian channel BPSK modulation hard decision error rate statistics)

去处干涉条纹最有效的频域消除法，非常实用，效果极佳。(supress grid by frequency domain, very practical with high efficency)

C语言写的基2fft算法，测试过了结果，比matlab的结果精度还是稍差(fft algorithm in C language.Have testd the result.)

以前使用matlab和vc混合编程都使用的是先将m程序用mcc转化成dll，再在vc中调用 的方法。这种方法对比较复杂的m文件很方便，但是对一些小的程序，如曲线可视化、计算矩阵特征值等，对这些只需要一两行代码的小程序，再使用dll就得不偿失了。经过试验后，发现可以直接在C++程序中调用matlab c/c++ math & graphic library的函数。(before using Matlab and vc mixed programming using the first procedure used mcc m into dl l, then vc call method. This method of complex documents m very easy, but for some minor procedures, such as curve visualization, matrix eigenvalue calculation, and so on, these are just two lines need a small procedure code, reuse dll on the loss outweighs the gain. After testing, can be found directly in the C Programming Calling Matlab c/c math)