The sequential quadratic programming was utilized to avoid the complex calculation in sensitivity analysis.
为了提高计算效率，本文采用序列二次规划法避免了灵敏度分析中的复杂计算。
2
For structural reliability analysis of complex nonlinear implicit limit state equation, this method had lower error and higher precision than the traditional quadratic response surface method.
对于复杂非线性隐式极限状态方程的结构可靠度计算，该方法比传统的二次响应面法误差小、精度高。
3
The next type of paths available are Bézier curves, available in the cubic and quadratic varieties. These are generally used to draw complex organic shapes.