查询词典 parabolic curve

It is pointed out that the ma in result (Theorem 5) of the paper Stability of Solution to Neutral Type Parabolic Systems with Time Delayis nonsensical or is not satisfied.

摘要给出了标题所述文章的一个注记，指出其中的主要结果（定理5）无意义或不成立。

Using the critical estimates of parabolic type partial differential equation.we ...

利用抛物型偏微分方程的极值原理，得到了带跳扩散模型下美式期权价格及最佳实施边界的误差估计。

Afterwards, the solving problem of Parabolic Type is transformed into a initial value problem of ordinary differential equation with respect to through Fourier transform again.

在数值实验中，对六个美式看跌期权价格进行了计算，通过分析比较，结果表明：快速傅里叶变换法加欧拉法是一种快速的高精度的数值计算方法。

Because this equation has the character of parabolic type in mathematics, it could provide a very accurate and powerful tool for computing fluid mechanics and heat transfer characteristics in micro-tubes after fully developed region.

我们为了方便计算程式的求解过程，将三维的圆形微管流简化为二维轴对称x-r方向的平面流场，并求解边界层方程式。

Global Schauder estimates for the initial-value parabolic problem of the bi-harmonic type were proved.

该文给出了双调和型抛物方程初值问题解的Schauder估计，并且在适当的空间中证明了解的存在性与惟一性。

This article bases on the knowledge of ordinary differential equation, mathematical and physical equations and equation of reactive pervasion. It researches the blow-up critical exponents of heat conduction type which is parabolic equations with nonlinear boundary constraints.

本篇论文以常微分方程与数学物理方程，反应扩散方程的知识为理论基础，讨论了热传导问题的临界指数问题，该问题是一个带齐次边界条件的非线性抛物型问题。

Then, empirical formula of parabolic type for all of the ene...

由此，通过最佳拟合法碍到[Eg0+△0]、Eg1、(Eg1+△1)的经验公式均为抛物线型的。

Because this equation has the character of parabolic type in mathematics, it could provide a very accurate and powerful tool for computing fluid mechanics and heat transfer characteristics in micro-tubes after fully developed region. At the time being, comparing with the general computer devices, simulating the program is much faster than the traditional Navier-Stokes equation hundreds of times.

这个边界层方程式因为具有抛物线型的数学特性，用於计算流道内完全发展后的流力与热传特性，能够提供一个准确又有力的最佳工具，就现今较普遍的电脑硬体设备来说，在模拟分析花费的时间比传统的Navier-Stokes方程式所需要时间还要快几百倍以上。

The study found that it is not symmetrical convex parabolic type, left and right sides are not equal to the minimum axial velocity near the rod at the minimum axial velocity is small in the different condition from water to the various solution of HPAM chroma in the vertical eccentricity annuli with wide gap at pipe.

研究发现不同介质的流体在螺旋流条件下，其在偏心环空中的轴向速度分布不是左右对称的凸抛物线型，而是中间有凹陷且左右不对称的抛物线型，其轴向速度的极值点向模拟油管内壁偏移。

At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the American put price into a standard initial and boundary value problem of Parabolic Type by making some transformations.

在第四章，对美式看跌期权价格所满足的偏微分方程定解问题通过作一系列变换，使之转化为一个标准的抛物型初、边值问题，接着又通过傅里叶变换，把抛物型初、边值问题转换为一个关于时间变量的常微分方程初值问题，然后再分别利用改进的欧拉法和有限元法对其进行了求解。

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征，是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日，国内外艺术媒体还是在沿用&后八九&这个称谓，不管当初是为了商业噱头还是容易上口好记，反正大家现在是记住了&后八九&这个广东口音很重的词。