Having adopted the quadraticapproximation of potential, we can solve the equation and get the approximately analytical solutions of Gaussian typed breath mode.
对势函数采用二阶近似后，求解此方程得到高斯型呼吸模式的光束宽度的近似解析式。
2
By analysing the compute result of the quadraticapproximation formula, we educe the conclusion that 3 is the best rank code for the quadraticapproximation formula.
通过对最小二乘拟合公式实际计算结果的分析，得出了“拟合公式阶数取3为最佳”的结论。
3
The approximation of the primal quadratic optimization model can be obtained by solving the regularized one and adjusting the homotopy parameter.