乘法

To optimize the constant of imitative equation, it shows that this algorithm becomes more reasonable.

文中提出将最小二乘法与Fabonacci法结合，得到一种曲线拟合的新优化算法。

They were all born in the 1960s.

他们都出生于20世纪60年代。5）在乘法运算中，如

An iterative method is developed to calculate the coordinates of the intersection point of an incident ray with a B-spline surface in 3D space.

探讨了用阻尼最小二乘法对B样条曲面反射器进行优化设计的方法，通过优化运算修正控制顶点Z轴坐标，使得曲面在使用扩展光源时光形分布尽可能满足设计要求。

The relations between the numbers of measured points and measuring error are found based on least-square method in calculating the geometric paramteters of circle, sphere, plane etc. Furthermore the choice of the number of measured point and their distribution have been recomended instructively.

为了减小偶然误差或消除零件表面形状误差对测量结果的影响，往往多测数点或数十点，本文推导出了使用最小二乘法计算几何参数时，如圆、球、平面等，测量点数与测量误差的关系，对测量点数及测点位置的选择提出了指导性意见。

To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. In the measure of the groove voltage, the method of float-ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square Curvefit is adopted to reduce the system error.

铝电解生产现场电磁干扰非常严重，为此我们将需要测量的模拟信号就近转换为频率脉冲后再传送到控制核心；采用浮地接入方式消除槽电压信号中的共模成分；设计了量程自动切换电路以解决槽电压的动态范围宽和测量精度高的矛盾；用最小二乘法进行曲线拟和以降低测量的系统误差。

Soft multiplier will use the internal memory to store the multiplier results, altmemmult megafunction can be used to do RAM-based signed or unsigned multiplier functions.

软乘法实现的时候，不占用逻辑资源，那幺需要编译或是硬件的支持吗？它存放结果的表格，是事先做好的？还是动态更新？

A kind of method to determine boundary conditions of interpolating quadric spline function with halfknots as conjunction points, which is C 1 continuous but its second derivative function is piecewise constant, is obtained by means of least squares.

鉴于此，本文利用最小二乘法，获得了一种半节点二次插值样条边界条件确定方法，该方法可以保证二次插值样条在半节点处二阶导数的变化最小，这相当于保证了曲率的变化最小。

Then the coefficients of the original interpolation polynomial can be computed.

改进算法降低了乘法近似黑盒的询问初值，提高了算法初始化阶段的效率。

The multiplicative noisy polynomial interpolation has important applications in cryptography and coding theory.

乘法噪声多项式插值问题在密码理论和编码理论研究中有着重要的应用。

CT ; 10% error curve ; least square ; interpolation polynomial ; curve fitting

电流互感器； 10%误差曲线；最小二乘法；插值多项式；曲线拟合

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。