This requires heavy work in the IXAND operator only to find a potentially small intersection.
这需要IXAND操作符仅仅为了找到一个小交集而进行繁重的工作。
So, remember, in the linear system, you can think of a linear system as asking you to find the intersection between three planes because each equation is the equation of a plane.
记住,线性方程组问题,可以理解为求三个平面的交,因为每个方程就是一个平面。
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