| 1. | A new sufficient condition of conditional extreme value 一个新的条件极值的充分条件 |
| 2. | Two full conditions for extreme value problem 求解条件极值问题的两个充分条件 |
| 3. | A sufficient condition of conditional extremum 条件极值的一个充分条件 |
| 4. | One full condition of conditional extremum 条件极值判定的一个充分条件 |
| 5. | A decision method of normal function 多元函数条件极值判定的一种方法 |
| 6. | Application of maximum minimum value of quadratic function 二元函数条件极值的一个简便判别方法 |
| 7. | Three - dimensional function conditional extremum ' s sufficient conditions 三元函数条件极值的充分条件 |
| 8. | On the criterion for conditional extrema for functions of 2 - variables 二元函数条件极值的一个判定方法 |
| 9. | The derived course is also the proved course of a sufficient condition 推导的过程也是条件极值充分条件的证明过程。 |
| 10. | A new derivation and proof of the sufficient condition of conditional extreme value 关于条件极值充分条件的重新推导和证明 |