quadratic function
[数] 二次函数
2025-10-09 15:06 浏览次数 10
[数] 二次函数
the results indicated that there was a quadratic function relationship between broad bean's yield and water consumption in ground irrigation condition.
结果表明:在地面灌溉条件下,蚕豆产量与耗水量呈二次函数关系;
when the pipeline length and diameter ratio was certain, the flame travel speed of gas explosion and ignition energy would be in a quadratic function relationship.
在管道长径比一定时,瓦斯爆炸火焰传播速度与点火能量呈二次函数关系。
the interval of the time lag is identical of each lane controlled and when the input is a random sign, we can adopt quadratic function of optimum control and separation theorem.
当受控对象各控制通路中滞后时间间隔都相同,且输入为随机信号时,可采用二次函数型最优控制定律和分离定理。
a flexible fixed-cost quadratic function is employed to estimate multiple-outputs cost functions and calculate economies of scale and scope for chinese universities in the year 1999-2001.
以此为前提,本研究利用多产出可变固定成本二次型函数,集中分析了高校在扩招过程中所展示出来的规模经济和范围经济现象。
the stress distribution is radius parameter quadratic function for transverse isotropy material. along the cylinder axial line, circumference and radial stresses were maximum and equal to each other.
试件材料为横观各向同性时,环向和径向应力为半径的二次函数。在圆柱试件轴线上环向和径向应力相等,且均具有最大值;
the equivalence of discrete logarithms between elliptic curve and real quadratic function field;
椭圆曲线密码体制的安全性基于椭圆曲线离散对数问题的难解性。
q and i presents quadratic function relation.
而流量与电极电流成二次函数关系。
the objective function of the model is a quadratic function with separable in the variables, and the constraints are linear.
该模型的目标函数是变量可分离二次函数,而约束条件是线性的。
the optimal value is obtained by applying a quadratic function to approach the cost function and by progressively adding active constraints based on unconstrain optimal duration.
此法具有占计算机内存小且计算量少等优点,可以有效地解决较大的网络计划非线性时间—费用优化问题。
the cost function of the systems is given in terms of integral quadratic function including both index exponent and failure controls.
系统的性能函数是含有指数项和故障输入项的积分二次型函数。
in this paper, the steepest descent curve of quadratic function through one point was first defined from the steepest descent direction of quadratic function at one point.
首先,从二次函数在一点的最速下降方向出发定义二次函数过一点的最速下降曲线;
a specialized quadratic function calculator from implicit softwar…
一款专业的二次函数计算器。
for the basic differential evolution algorithm, the increasing quadratic function crossover operator was added to increase the convergence speed.
在基本差分进化算法中,融入递增二次函数交叉算子以增加算法的收敛速度。
in fact, the discrete logarithms problem for elliptic curves over finite fields is equivalent to the discrete logarithms problem for real quadratic function fields.
事实上,椭圆曲线的离散对数问题与函数域上理想类群的离散对数问题存在某种等价关系。
piecewise quadratic function interpolation is proposed for the calculation of spreading resistance correction factors.
本文提出了一个新的扩展电阻薄层修正因子的计算方法——二次函数分段插值法。
the pressure distributing law is non-uniform along radius direction, which could be expressed approximately as the linear or quadratic function curve.
成形压力沿半径方向呈不均匀分布,可用线性或二次函数曲线进行近似表示。
the optimal value problems seen in real life such as price, benefits and area measurement can be solved with quadratic function easily.
实际问题中的最值问题,常见的有价格和利润的最值问题和面积最值问题,用二次函数模型就能迎刃而解。