指数函数 meaning in Chinese
exponeneial function
exponentialfunktion exponential function
quantity in the exponent
Examples
- Concrete ' s initial damage and damage threshold value gained through above experimentation is imported to exponent function damage model advanced by professor xu dao - yuan , and finite element equation included influence of damage is derivated . based on great current finite element program - marc , damage compute program is worked out and testified through examples . this make damage compute possible and is significant explore for damage mechanics ' s application to civil engineering
本文将上述试验确定的混凝土的初始损伤值及损伤阈值引入河海大学徐道远教授提出的指数函数损伤模型,根据损伤问题的初边值条件,建立了含损伤的有限元方程,并基于大型通用有限元软件marc编制了损伤计算程序,通过算例进行了程序的验证,使得对混凝土结构的损伤模拟成为了可能,为损伤力学在土木工程中的应用进行了有益的探索。 - The astringency , error and stability of the numerical method are researched . zero matrix method , constant matrix method , and jacobian matrix method are constructed in order to improve numerical precision and efficiency . the steps for calculating matrix exponential function using pade approach method are given out
研究了所提西安理工大学博士学位论文数值计算方法的误差、稳定性、收敛性等数学性质,在计算精度和计算效率两方面提出了一些改进措施,构造了零矩阵法、常数矩阵法、雅可比矩阵法等计算格式,给出了利川pade逼近计算矩阵指数函数的求解步骤。 - Based on a series of tests and investigations , this paper draws some conclusions as following by processing and analyzing the test data . the minimum icing flashover voltage of composite insulators decreases with the increase of ice amount , and the tendency of it accords with exponential function . however , the relation of the minimum icing flashover voltage with icing water conductivity accords with power function
通过大量的试验研究工作,对试验数据进行拟合和分析处理,得到了如下结论: 1 )合成绝缘子最低冰闪电压随覆冰重量的增加而降低,且其下降趋势符合指数函数规律,与覆冰水电导率的关系符合幂函数规律。 - A normalized mapping rule of raw grey series is introduced by analysis of exponential function characteristics of the whitening differential equation , which makes the non - equigap grey prediction model ngm ( 1 , 1 ) fit for universal raw grey series , improves prediction precision greatly , meanwhile makes innovation to series with negative values and enlarges grey prediction theory
通过对白化微分方程解的指数函数特性的分析,研究了原始灰序列的归一化映射规则,使非等间距灰预测模型ngm ( 1 , 1 )适应一般灰序列,灰预测精度也大大提高。这亦解决了含负值灰序列预测的理论问题,拓宽了灰色预测理论。 - 2 . by regression analysis , we can get the relation between rainfall intensity and the loss modulus of organic matter , total nitrogen and the available nitrogen is exponential function by slope the same as cultivation measure . and the relation between slope gradient and the loss modulus of them is power function
经回归分析,可得到坡度和耕作措施相同时,雨强与有机质、全氮和碱解氮的流失模数之间呈较好的指数函数关系;当耕作措施相同、雨强接近时,有机质、全氮和碱解氮的流失模数与坡度之间呈较好的幂函数关系。