中文说明：应用背景线性联立方程组求解有限元、几何变换等问题。关键技术偏轴上旋转，快速的解决方案，准确性和基于迭代
English Description：
Application backgroundLinear Simultaneous Equations are useful for solving FEA, geometrical transformation problems, etc.Key TechnologyPartial pivoting, fast solutions, accuracy and iteration based