中文说明：插值与拟合的matlab实现，包括四元数的各种计算,实现了对10个数字音的识别程序包括主成分分析、因子分析、贝叶斯分析，matlab实现了五类灰色关联度模型的计算,最终的权值矩阵就是滤波器的系数。
English Description：
MATLAB implementation of interpolation and fitting, including the various calculations of the Quaternion, realized 10 digital voice recognition programs include principal component analysis, factor analysis, Bayesian analysis, MATLAB implements five types of calculation of grey correlation model, ultimate weight matrix is the filter coefficients.