This tutorial also shows how to use scalar functions to calculate and extract date information, such as day of week and month name, from date columns.
本教程还展示如何使用标量函数从date列计算和提取信息,例如星期几和月份。
Oh, and the fact that you can't use the floating point processor directly to calculate transcendental functions (it's done in software instead).
最后我们发现无法使用浮点处理器直接计算超函数(结果使用软件实现了)...
And we're going to calculate partition functions.
接着我们计算配分函数。
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