查询词典 mathematical approximation
- 与 mathematical approximation 相关的网络例句 [注:此内容来源于网络,仅供参考]
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During the study, in order to decrease the complexity, the article simplifies the geomorphic process, defines the ideal state, and, according to the geomorphic principle, reasons out some of the 4-Dimensional Geomorphic Mathematical Sub-Models that include the 4-Dimensional Tectonic Geomorphic Mathematical Model, the 4-Dimensional Depositional Geomorphic Mathematical Model, and the 4-Dimensional Denudate Geomorphic Mathematical Model.
在研究过程中,为了减低复杂程度,简化了地貌过程,规定了理想条件,并根据地貌学原理推导了部分理想条件下的四维地貌数学模型,分别是四维构造地貌数学模型、四维沉积地貌数学模型和四维剥蚀地貌数学模型。
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The major findings were as follows:(1) There were significant interactions between Feedback and Goal-setting in both students' mathematical performance and test anxiety;(2) No significant differences were found in mathematical performance and test anxiety between the student self-set goal condition and the teacher-assigned goal condition when feedback was presented;(3) There were significant differences in students' mathematical performace between correct-predicting students' and incorrect-predicting students, but no difference was found in students' test anxiety between the two groups of students;(4) High-estimating students and low estimating students showed significant differences in mathematical performance, but no difference in test anxiety.
在有回馈的情形下,学生自订目标与敎师指定目标间,其学生在数学作业表现或是在数学测试焦虑分数上均无显著差异存在。3。学生自订目标中,预测正确组与预测不正确组学生在数学作业表现上有差异存在,在数学测试焦虑分数上无差异存在。4。学生自订目标中,高估组与低估组学生在数学作业表现上有差异存在,在数学测试焦虑分数上无差异存在。
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Going at the teaching of mathematical thought and method during high school is an important means by which the school in the 21th century cultivate the person with innovative spirit and practical bility.Moreover going in for the teaching study of the mathematical thought and method in high school can make ours absorb well the international and national mathematical thought and methodology knowledge,and improve the cognition to the importance of the teaching about mathematical thought and method,so that they are able to practise consciously and selfconsciously the teaching .
中学阶段进行数学思想方法的教学是21世纪学校培养具有创新精神与实践能力的人才的重要手段,而进行中学数学思想方法的教学研究更能使我们中学数学教师充分吸收国内外数学思想方法论知识,提高对数学思想方法教学重要性的认识,从而能够有意识、自觉地实践数学思想方法教学。
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For the given endpoint interpolation conditions, a new approximation method of multidegree reduction is presented. Using Chebyshev polynomial approximation theory, the nearly best uniform approximation under the interpolation conditions of endpoints can be obtained.
对于给定的首末端点的各阶插值条件,给出了一种新的一次降多阶逼近算法,应用Chebyshev多项式逼近理论达到了满足端点插值条件下的近似最佳一致逼近。
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Applying the Euler method to the equation and particularly using the interpolation technique on variable delay, the Euler approximation is obtained. The discrete Euler approximation is extended to the continuous Euler approximation. It is proved that the Euler numerical solutions will converge strongly to the true solution under the local Lipschitz condition.
对方程应用欧拉方法,特别地对变延迟部分运用插值技巧进行数值离散后,将离散的欧拉格式延拓为连续的欧拉格式,从而得到欧拉格式在局部Lipschitz条件下强收敛到解析解。
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The main results are as follows: the relations between local fractional integrated semigroups and the corresponding Cauchy problem, global fractional integrated semigroups and regularized semigroups are given; introduction of the notion of regularized resolvent families, and the generation theorem and analyticity criterions for regularized resolvent families are obtained; the spectral inclusions between fractional resolvent family and its generator, and the approximation for fractional resolvent families in the cases of generators approximation and fractional orders approximation; elliptic operators with variable coefficients generating fractional resolvent family on L^2 by using numerical range techniques; and the L^p theory for elliptic operators with real coefficients highest order are obtained by Sobolev''s inequalities and the a priori estimates for elliptic operators; and a kind of coercive differential operators generates fractional regularized resolvent family by applying the Fourier multiplier method, functional calculus and some basic properties of Mittag-Leffler functions.
主要结论是:给出了局部分数次积分半群和相应的Cauchy问题的关系以及分数次积分半群和正则半群的关系;引入了正则预解族的概念,并给出了其生成定理和解析生成法则;给出了分数次预解族与其生成元的谱包含关系,并研究了在生成元逼近和分数阶逼近两种情况下相应的预解族的逼近问题;利用数值域方法证明了具变系数的椭圆算子在L^2上生成分数次预解族;利用Sobolev不等式和椭圆算子的先验估计证明了具变系数的椭圆算子在其最高项系数为实数时在L^p上生成分数次预解族;运用Fourier乘子理论、泛函演算和Mittag-Leffler函数证明了一类强制微分算子可以生成分数次正则预解族,并给出了该预解族的范数估计。
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The moving least squares approximation makes only require least squares approximation with regard to functional value on all nodes. It makes no require for the residual of derivative approximation.
移动最小二乘近似只要求近似函数在各节点处的误差的平方和最小,对近似函数导数的误差没有任何约束。
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After introducing the primary approximation approaches for curve and surface offset, we give an optimal approximation approach for offsetting curve based on shifting control points, which relies on approximating the normal by Legendre polynomial approximation.
在全面介绍了等距曲线曲面逼近的主要方法以后,作者首先利用Legendre多项式得到基曲线法矢曲线的最佳平方逼近,由此给出了基于控制顶点偏移的等距曲线最优逼近的算法,它在算法效果和效率上都远优于其他同类算法。
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The main work of the thesis consists of summarizing the characteristics of the approximation methods,compiling the programs of approximation methods,and getting availability of every approximation method according to examples.
本文的主要工作是总结各种近似方法的特点,编写各近似方法的程序,通过算例总结出各种近似方法的适用性。
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It can adjust time interval in light of approximation effect, and the current segment's approximation error is not influenced by other segments'. This method can improve approximation precision of reach set and makes the verification applicable in practical systems.
该方法可根据近似误差自动调节近似时所用的时间间隔,每段的近似误差不受其它段的影响,达到提高近似精度和减少计算量的目的,从而进一步降低验证方法实现的难度。
- 相关中文对照歌词
- Little Sister
- Numbers
- Live Fast, Die Young
- My Mathematical Mind
- (This Ain't) No Thinkin' Thing
- Lee Majors Come Again
- Super Lyrical
- Mona Lisa
- Babylon
- New Math
- 推荐网络例句
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No, it's unnecessary. I don't think I have a fever.
不,没有必要,我想我没有发烧。
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We live in a culture of instant gratification.
我们生活在即时满足的文化中。
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Had he the power,he would efface the civilizations of the human race!
假如他拥有权力,他会抹杀人类的文明!