二次函数

Based on this target, the paper designs an incentive auction mechanism considering the long-term contract and the cost conic curve. The new mechanism can make the generation companies reveal their real costs through appropriate cost compensate, and it can realize the electricity distribution efficiency.

文章在发电成本函数为二次函数的情况下，考虑电力长期合同对现货市场的影响，设计一种激励相容的发电市场新竞价机制，该机制通过给予发电公司合理的信息补偿，使其揭示真实发电成本，从而实现发电市场的经济配置。

A deterministic global optimization algorithm based on Lagrangian dual is proposed for solving the nonconvex quadratic programming with nonconvex quadratic constraints, which is often encountered in technical design and operational research.

针对带有非凸二次函数约束的非凸二次规划问题，提出了一个基于拉格朗日对偶的确定型全局优化算法，这类优化算法可广泛应用于工程设计和非线性系统的鲁棒稳定性分析等实际问题中。

This dissertation firstly introduces the principles of four kinds of simple gridding methods, which are"Linear interpolation based on triangulation","Inverse distance weighted and averaged method","Modified Shepard's method"and"Multiquardirc method". Secondly, it researches the Ordinary Kriging method for geophysical irregular data, which mainly includes the base knowledge of region change and variogram and the principle of Ordinary Kriging method. Thirdly, it researches the Inverse Interpolation for geophysical irregular data, which mainly includes the principle of inverse interpolation and its iterative algorithm, and the principle of Inverse Interpolation to realize the gridding of geophysical data. Finally, it uses these gridding methods to grid theoretical model data of potential field and raw aeromagnetic data, and compares and analyzes the gridding results.

本文首先简单介绍了地球物理不规则分布数据的四种简单网格化方法(即基于三角网的线性插值法、反距离加权平均法、改进的Shepard方法和多元二次函数法)的方法原理；接着，重点研究了地球物理不规则分布数据网格化的普通克里金法，主要研究了区域变化量、变差函数的基础知识和普通克里金法的方法原理；之后，重点研究了地球物理不规则分布数据网格化的反插值法，主要研究了反插值法的方法原理和迭代求解算法，以及反插值法实现地球物理数据网格化的原理；最后，应用这些方法对理论位场模型和实际航磁数据进行了试验、对比和分析。

The author interpreted the determinant rule of bad measuring data while power system is in stable state, and implemented the smoothing transition of the measuring results of electrical parameters through curve fitting based on least square while the load in power system is in fluctuation in this paper.

本论文阐述了电网稳态情况下的粗差判定准则，并采用基于最小二乘为准则的二次函数曲线拟和来实现电网负载波动情况下电参量测量值的平滑过渡。

Using Pell equations on A,we give a new proof of the well-known fact that ifthe ideal class number of a real quadratic function field K = k equals to 1,thenD must be P or QR, where P,Q,R∈A are monic and irreducible ,and Q,R have odddegrees.

二我们应用A上的Pell方程这一初等方法重新证明一个已知的结果：实二次函数域K = k理想类数为1时， D只能为P或QR，其中P，Q，R∈A首一不可约且Q，R次数为奇数。

This article mainly discussed between the quadratic function and Yuan two inequalities, a Yuan quadratic equation relation and the application.

本文主要谈了二次函数与一元二次不等式、一元二次方程之间的联系及其应用。

It is proved that the relationship of quadratic function exists obviously between yield and feitilizer factors.

对获得的肥料效应函数的解析结果表明，各肥料因子与产量之间存在着二次函数关系。

Every function whose derivative is linear is a quadratic function.

任意一个导数为线性函数的函数都是二次函数。

On terms that the metal products were supposed to be scrapped according to the normal distribution with service life,the calculation method for the theoretical value of reclamation resource of depreciated metal was studied for the conditions that the relation between consumption volume of metal and time was linear and quadratic respectively.

在假设金属制品报废概率随时间呈正态分布的条件下，研究了金属消费量随时间变化呈线性函数或二次函数两种情况下，金属折旧再生资源量理论值的计算方法。

In this paper, using the method of the Lagrangian dual, an unconstraint but nondifferentiable optimal problem in input space is proposed as the dual of the quadratic programm...

证明了该分片二次函数的极小点对应原二次规划的ε最优解，而用此极小点可直接算出支持向量和最优超平面。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。