Limit cycles of infinity in a quintic polynomial system 一類五次多項式系統(tǒng)無窮遠點的極限環(huán)
Stability of equator for a class of 2n 1 degree polynomial system 1次多項式系統(tǒng)赤道環(huán)的穩(wěn)定性
The global semi - stability of two kinds of the polynomial system 兩類高次多項式系統(tǒng)的全局半穩(wěn)定性
Study of center focus decision problem for a type of polynomial system 一類多項式系統(tǒng)中心焦點判定問題的研究
In chapter 6 , the following general real planar odd polynomial system is studied 在第六章,我們研究一般實平面奇數(shù)次多項式微分系統(tǒng)ide 、 , , , 。
Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two 一類余維2的高次退化平面多項式系統(tǒng)的極限環(huán)分布
Finding all isolated solutions of polynomial systems of equations has very wide applications in many fields of science and engineering 多項式系統(tǒng)所有孤立解的計算在工程和科學上有著廣泛的應(yīng)用。
Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two is discussed 摘要討論了一類余維2的高次退化平面多項式系統(tǒng)的極限環(huán)分布,證明了此系統(tǒng)至多存在3個極限環(huán)。
Journal of symbolic computation , 1994 , : 585 - 595 . 16 gao x s , luo y . a characteristic set method for difference polynomial systems . in int 我們將特征列方法推廣到非線性差分方程組,證明了差分特征列的基本性質(zhì)給出了計算差分情形特征列的算法。
The m - homogeneous homotopy method gives a better upper bound for the number of solutions to a polynomial system . however , two crucial problems are conferred when getting this bound 在計算上界的過程中遇到了兩個問題,這兩個問題計算的復雜度本質(zhì)上都是指數(shù)量級的。