条件极值毕业论文

函数的零点等价于对应方程的根，计算方法主要是解方程。对区间上的可导函数而言，函数的极值点是导函数的变号零点，这时极值点的计算方法是先求导，再求导函数的零点，再讨论零点两侧的导数符号，最后结论。所以要经历求导运算，解方程，解不等式等。对于区间上的不可导函数而言，函数的极值可能存在，因而极值点存在。往往用初等方法。需讨论。例如y=|x|,因为y=|x|≥0，当且仅当x=0时，ymin=0.所以极值点x=0.亲，以上是提供，供参考。您可以发散一下，并举些具体例子。必要时把零点和极值点的定义加进去。

我尽力了，很少翻译数学专业词汇。The function extreme problem and its application A brief introduction to the one-variable function of the extreme conditions for the existence of, followed by multi-variable function mainly in the theory of extreme value on the basis of the second type are the qualitative and multi-variable function negative qualitative discussion of extreme discrimination law and use the multiplier lagrange For multi-variable function of the extreme conditions, respectively, by the end of a typical example of that set out a dollar, multi-variable function extreme in practice the application. Key words: multi-variable function; extreme; quadratic; definite matrix; negative top matrix; extreme conditions