The first order Taylor series expansion replaces the non-linear equation used in solving this plane, and thus simplifies the algorithm. 通過(guò)求解由一階泰勒展開(kāi)式得到的線(xiàn)性方程組，避免了為求解此平面而求解非線(xiàn)性方程組最小二乘解的過(guò)程，使算法簡(jiǎn)化。
In the case of strong nonlocality, the response function can be expanded in Taylor's series, so that the variational problem can be found in a closed form. 在強非局域的情況下，通過(guò)對介質(zhì)響應函數進(jìn)行泰勒展開(kāi)，可以解析地表示變分問(wèn)題。
