对学习最小二乘法的初学者有很大的帮助的一篇文章最小二乘支持向量机算法及应用研究-Least square method of learning is very useful to beginners in an article- least squares support vector machine algorithm and applied research

Alexander D. Poularikas-Adaptive Filtering_ Fundamentals of Least Mean Squares with MATLAB® -CRC Press (2014)