In this paper , two kinds of bilinear functions have been mainly discussed , and symplectic space been only simple introduced 摘要该文旨在阐述二类双线性函数的联系、区别,并初步介绍了辛空间的概念。
2 . using the property of the bilinear and trilinear form , a priori bound for solutions of a weak formulation is given 利用双线性函数和三线性函数的性质,论述了各子问题的有界性、强制性以及解的先验估计。