Condition number of matrix is a main root to result in large error in solution during the running of Gaussian algorithm.
在运行高斯算法求解线性系统过程中，矩阵条件数是导致求解误差偏大的一个因素。
2
It is shown that the improved algorithm provides more accurate calculation results than the complex Gaussian function expansion, so long as the number of Fourier series is no less than 30.
研究表明，只要傅里叶级数项数不少于30，改进后的算法比直接用复高斯函数展开具有更高的计算精度。
3
The relations between the Fresnel number of a Gaussian beam and the parameters of the focusing Gaussian beam are analysed in this paper. And a simple method of design is given.