二次泛函
The quadratic functional relationships between the volatilization rate of continuous casting powder and temperature, Na, CO, content, CaF, content, basicity and time are determined by regression orthogonal design.
通过回归正交设计确定了连铸保护渣基料挥发率同温度、Na2CO3含量、CaF2含量、碱度及时间的二次函数关系式。
We discuss the entire solution of the time-dependent population developing system equation. We regard the noncompetitive fertility rate as control function and judge its optimality by quadratic functional, and study the optimal control problems for the above population system.
讨论了时变人口发展系统的整体解,并且将非竞争人口生育率作为控制函数,用二次泛函来判别其最优性,研究了上述人口系统的控制问题。
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