Complemented algebra and the representation theorem for its left regular algebra 可补代数及其左正则代数的表示定理
2.
The fem is a method of which transform the partial differential - coefficient equation ' s initial and boundary value issue to ordinary differential - coefficient equation ' s initial and boundary value problem ( after space disperse ) or a set of regular algebra equation 有限元法在数学上是将偏微分方程的初边值问题划归一组常微分方程的初值问题(在空间离散化之后)或一组规则代数方程。