1) hyperbolic secant function
双曲正割函数
1.
Nonlinear wave equation and corresponding truncated nonlinear wave equation were solved by the hyperbolic secant function finite expansion method.
借助Mathematica软件,利用双曲正割函数的有限展开法,对该方程和对应的截断的非线性方程进行求解,得到了非线性波动方程的孤波解,同时给出了这些解存在的必要条件。
2) modified hyperbolic secant square probability distribution function
修正双曲正割函数平方概率分布
4) hyperbolic tangent function
双曲正切函数
1.
A theoretical model for predicting ground displacement and deformation due to mining of phosphate body in Wenjiaping by using hyperbolic tangent function was given in this paper.
针对文家坪磷矿地下开采岩体移动变形问题,给出了用于预测分析地下开采引起地表移动变形的双曲正切函数模型。
2.
Aiming at this,this article proposed the "process control" method and established the process curve based on hyperbolic tangent function.
针对这种情况,提出了土钉支护结构水平位移安全监测"过程控制"的概念,建立了双曲正切函数的过程曲线,旨在对土钉支护结构施工全过程做到安全有效的监测和控制,并将所建立模型与理正岩土计算软件的结果进行比较,较好地符合计算结果。
3.
This guidance law avoids the chattering of line-of-sight angular rate of attack missile by introducing the hyperbolic tangent function.
该导引律设计主要通过引入双曲正切函数,消除了攻击导弹的视线倾角增量变化律的抖动现象。
5) hyperbolic sine function
双曲正弦函数
1.
An attempt to offer a new treatment of end point error in precipitation titration by using hyperbolic sine function is given in this paper.
基于沉淀滴定基本原理,利用双曲正弦函数性质提出了一种处理沉淀滴定终点误差的新方法。
6) counter-hyperbolic sine function
反双曲正弦函数
1.
According to the conclusion that the smoothness level of a data row can be increased through the transform of the counter-hyperbolic sine function,two methods of autoregression forecasting based on the increasing time series are given.
依据"利用反双曲正弦函数变换提高数据列光滑程度"的结论,给出了两种异方差条件下递增时间序列自回归预测的改善方法。
2.
This paper proves that the smooth degree of a data row can be increased by transforming the counter-hyperbolic sine function.
证明了利用反双曲正弦函数变换能提高数据列的光滑程度,获得结论:设{x_(k)}为递增数据列,x_(1)>0,y(k)=ln(x_(k)+(x_(k)~2+1)~(1/2)),则数据列{y_(k)}比数据列{x_(k)}光滑。
补充资料:正割函数
在y=secx中,以x的任一使secx有意义的值与它对应的y值作为(x,y).在直角坐标系中作出的图形叫正割函数的图象,也叫正割曲线.
y=secx的性质:
(1)定义域,x不能取90度,270度,-90度,-270度等值;
(2)值域,|secx|≥1.即secx≥1或secx≤-1;
(3)y=secx是偶函数,即sec(-x)=secx.图象对称于y轴;
(4)y=secx是周期函数.周期为2kπ(k∈z,且k≠0),最小正周期t=2π.
并附上很难找到的正割图象.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条