复化三点Gauss-lengend公式求pi，独立成分分析算法降低原始数据噪声，最大似然（ML）准则和最大后验概率（MAP）准则，包含了阵列信号处理的常见算法，matlab开发工具箱中的支持向量机，多元数据分析的主分量分析投影。- Complex of three-point Gauss-lengend the Formula pi, Independent component analysis algorithm reduces the raw data noise, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Contains a common array signal processing algorithm, matlab development toolbox support vector machine, Principal component analysis of multivariate data analysis projection.