matlab数据拟合问题

说明：  《matlab语言常用算法程序集》源代码 第七章(&quot Matlab common algorithms assembly language&quot source code under Chapter VII)

对于高光谱波段降维中的ABS指数（Adaptive Band Selection）进行编程，计算每一个波段的ABS指数进行计算并排序，辅助高光谱波段降维。(ABS(Adaptive Band Selection) index for hyperspectral dimension reduction. The ABS index is calculated for each band and sorted. )

适用于需要用matlab环境，用som方法解决分类问题的朋友们-Applicable to the need to use matlab environment, used to solve classification problems som friends

基于平均法的连续模式下DC/DC功率级建模步骤，包括电压模和峰值电流模(Average method based on continuous mode DC/DC power level modeling steps, including the voltage mode and peak current mode)

matlab例子100个例子，内部代码，matlab例子100个例子(matlab examples 100 examples, the internal code, matlab examples 100 examples)

Matlab 命令大全 姚栋主编 是一本不错的书，希望站长能够通过 (Matlab command Daquan)

一种新的瞬时频率估计方法，用到了同步压缩短时傅里叶变换的高阶形式(This MATLAB package is a collection of scripts allowing to generate figures in the paper [1]. This paper puts forward a generalization of the short-time Fourier-based Synchrosqueezing Transform using a new local estimate of instantaneous frequency. Such a technique enables not only to achieve a highly concentrated time-frequency representation for a wide variety of AM-FM multicomponent signals but also to reconstruct their modes with a high accuracy.)

说明：  用决策树ID3算法写的MATLAB程序，实现对水下四类图像进行分类。(Using decision tree ID3 algorithm to write MATLAB program, to achieve the classification of underwater four types of images.)

Relief特征选择是一种比较简单的特征选择方法，也比较初级，所以有待改进，但对于初学者来说，还是比较有用的，该程序通俗易懂，很好理解，适用于初学者

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