这个是计算机编程艺术的第二卷：半数值算法。这一卷主要介绍了随机函数和算术计算的算法。这本书的意义就不重复介绍了，有兴趣的可以下来看看。-This is the art of computer programming Volume II: Semi-numerical algorithms. This volume introduces a random function and arithmetic algorithms. The significance of this book is not

矩阵是高等代数学中的常见工具，也常见于统计分析等应用数学学科中。[2] 在物理学中，矩阵于电路学、力学、光学和量子物理中都有应用；计算机科学中，三维动画制作也需要用到矩阵。(Matrix is a common tool in higher algebra, and it is also common in Applied Mathematics, such as statistical analysis. [2] is applied in physics, including matrix