How to get the computed column to find amin value for a given field?
如何计算列找到一个最小值对于一个给定的领域？
2
Expect one about amin/max problem, something about Lagrange multipliers, something about the chain rule and something about constrained partial derivatives.
有一个极值问题，也有关于拉格朗日乘数法的，链式法则也会有的,约束条件下偏导数当然不会漏掉。
3
The first woman to finish was Grete Waitz of Norway, with a time of 2 hrs, 29 min., 30 sec.