数值计算表明,这种方法可以降低方程的迭代次数约40%,并明显减少方程的求解时间。
Numerical results present that this method can decrease the number of iterative by 40% and reduce the computation time greatly.
数值计算表明,这种方法可以降低方程的迭代次数约35%,并明显减少方程的求解时间。
Numerical results present that this method can decrease the iterative number by 35% and reduce the computation time greatly.
使用了试验设计方法中新的方法—均匀设计,其特点是试验次数少,回归方程可靠度高,预测准确度高。
It used the new method of experimental design method-uniform design. Its characteristic is less times of experiment, high reliable regress equation and improved predicting precision.
两个典型算例的理论分析和实际计算表明,这种预条件方法可以降低方程的迭代次数约30%,明显减少方程求解时间。
The theoretical analysis and numerical results of two typical examples show that this method can decrease the numbers of iterative by30%and reduce the computation time greatly.
结果:经多元逐步回归分析,进入回归方程的变量依次为日常生活能力量表评分、卒中次数、婚姻状况、陪护情况、抑郁自评量表评分。
Results: Five independent variables had been put into regression equation by multiple regression analysis, which were ADL score, stroke attack time, marriage, carer and SDS score.
本文利用5层原始方程模式对1980年6月23—26日梅雨期暴雨期间副高位置的短期演变、副高结构的短期变化作了一次数值预报试验。
By using of the 5-level primitive equation model, the short range evolution of the subtropical ridge and the subtropical high structure for 23-26 June 1980 was experimented.
应用动态球腔扩张理论,建立了冲击贯入方程、冲击次数表达式和贯入阻力与贯入深度的关系。
And then a theory on the penetrating depth, the number of impact and the relation between penetrating resistance and depth was obtained by means of dynamic spherical cavity expansion.
该算法利用多项式带余除法的相关推论,通过矩阵的列变换来求解关键方程,这样可以快速地得到商式和余式,从而可以减少迭代运算的次数。
The proposed algorithm use the related deduction of division with reminder of polynomials and the key equation is solved by column transformation of matrix.
根据可逆冷轧机的生产特点,采用了一种简单的迭代方法求解负荷按比例分配构成的非线性方程组,得到总轧制道次数以及各个道次的中间厚度。
Based on the rolling feature and practice of reversible cold mill, a new calculating method to determine the load distribution is put forward by means of nonlinear equations.
本文还根据试验结果给出了三种环境下不同荷载循环次数时钢筋混凝土梁挠度的公式及s - N方程。
Predictive equations of deflection and S-N of beams in three kinds of environments based on the test results have been also presented.
他主张按方程的次数来进行分类是正确的原则。
He maintained that classification by the degree of the equation was the correct principle.
他主张按方程的次数来进行分类是正确的原则。
He maintained that classification by the degree of the equation was the correct principle.
应用推荐