A proof based on the fundamental theorem has no counterpart for functions of several variables . 根據基本定理的證明對于多元函數就沒有相似的東西。
A note on differentiation for functions of several variables 多元函數微分法的一點注記
New method of extreme value of function of several variables 多元函數極值的一種新方法
Several notable problems in the teaching of function of several variables 多元函數教學中應注意的幾個問題
The above improvement procedures were tested with functions of several variables and multi optimum solutions and they performed well 采用具有多變量和多優化值的測試函數對上述改進算法進行測試的結果表明所提出措施的有效性。