特征子集的不确定性系数是一种单调的特征子集信息度量,因此可以将它作为特征选择度量。
The uncertainty coefficient is an information measure for a feature subset, and it is monotonic, so it can be taken as the feature selection measure.
本文研究了系数为强单调算子的椭圆型偏微分方程,得到了解的梯度的几乎处处收敛性。
In this paper, we study the elliptic partial differential Cquation whose coefficients are strongly monotony operators, and obtain the everywhere convergence of the gradients of solutions.
结论表明,捕食者的最优交易策略为时间的二次曲线形式,并且捕食交易利润是瞬时冲击系数的单调减函数。
The conclusion shows that the optimal strategy of predator is the quadratic equation of time and the profit is the descending function of temporary impact coefficient.
研究发现随着乙烯分子浓度的增加,被吸附的乙烯分子之间相互作用能随之增加,而乙烯分子的总扩散系数随浓度增加而单调递减。
It was found that the interactions between ethene molecules increase with the increasing of molecular concentration, while molecular total self-diffusion coefficient decreases with the concentration.
利用单调方法讨论了一类含时滞及周期系数的反应扩散系统的竞争-竞争-互惠模型。
By using the monotone method, a periodic reaction diffusion system of a competitor-com - petitor-mutualist is investigated.
而对于具有4%晶格失配的超晶格模拟结果却表明,超晶格导热系数随周期长度的增大而单调上升。
However, the simulation results of the superlattice with 4% lattice mismatch show that the thermal conductivity increases monotonically with the period length.
结果表明,在空气过剩系数或空气量不变时,最高燃烧温度和烟气排放温度随燃磷量增加呈单调递增趋势;
The results show that maximum combustion temperature and smog exhaust temperature increase with the increase of phosphorus mass flow rate when excess-air coefficient or air capacity is a constant;
随着波浪入射角度的增加,带填料防波堤结构的反射系数值先减小,达到最小值后又单调增加。
With the increasing of the incident angle of the wave, the reflection coefficient of the breakwater first decreases, reaches its minimum, and then increases monotonously.
在1.3325 ~ 1.3991的折射率测量范围内,度量值与折射率之间呈现单调递减关系,线性相关系数为0.9983。
In the refractive index range of 1.3325 ~ 1.3991, the measurement value decreases with the increase of refractive index, with a linearity of 0.9983.
测量结果表明,空气在煤灰球中的等效扩散系数随煤中灰份的含量的增加呈单调下降的关系,并给出了它们之间的通用关系式。
The experimental results show the measured value of De decreases with increasing ash content, and a relationship between them is derived. Comparisons of calculated burning r…
测量结果表明,空气在煤灰球中的等效扩散系数随煤中灰份的含量的增加呈单调下降的关系,并给出了它们之间的通用关系式。
The experimental results show the measured value of De decreases with increasing ash content, and a relationship between them is derived. Comparisons of calculated burning r…
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