1) quadric form identity
二次型等式
2) quadratic-form identity
二次型恒等式
1.
Integrable couplings of the KdV hierarchy is obtained by use of the new subalgebra of the loop algebra,then the Hamiltonian structure of the above system is given by the quadratic-form identity.
利用loop代数的半直和得到KdV族的可积耦合,通过二次型恒等式得到它的哈密顿结构。
2.
Since the trace iden-tity fails to generate Hamiltonian structures of integrable couplings,the quadratic-form identity was proposed, which is an extension ofthe trace identity.
由于迹恒等式无法寻求可积耦合的Hamilton结构,所以人们提出了二次型恒等式,它是迹恒等式的推广,是寻求可积耦合的Hamilton结构的有效方法。
3.
Further more,the Hamilton ian structure of its integrable couplings is worked out by using of the quadratic-form identity,which is of Liouville intergrable.
首先构造了一个loop代数,根据(2+1)维零曲率方程计算得到(2+1)维KdV族的可积耦合,然后通过二次型恒等式得到它的哈密顿结构。
3) quadratic inequality
二次不等式
1.
The condition is given analytically in terms of a quadratic inequality with its coefficient determined by the prescribed state feedback gain and the given ellipsoid.
该条件利用二次不等式的形式给出。
4) equivalence of quadratic forms
二次型的等价
6) quadratic matrix inequality
二次矩阵不等式
1.
It is proved that the quadratic matrix inequality can be solved directly via the generalized eigenvalue problems.
研究具有无穷远零点的奇异Ｈ∞控制问题的二次矩阵不等式的可解性，证明了通过求解广义特征值问题，可以直接求得二次矩阵不等式的解，从而简化了原需通过复杂的系统分解和变换来求解二次矩阵不等式的方法。
补充资料：输出反馈(见线性二次型次优控制)
输出反馈(见线性二次型次优控制)
output feedback
3h日c卜口fon以以{输出反馈型次优控制。(output王eedbaek)见线性二次
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条