OK, so for a given, x, the range of y is, y 0 It's still zero.
对于给定的x，y的取值范围是。。。,的最小值？，well，，so，what’s，the，lowest，value，of，y，that，we，want，to，look，at？,仍旧是。
Notice that I now did choose x = 0.
请注意我这里确实选取了x=0的点。
If n = 1, x/n can take on only two values: 0 or 1.
当n=1时,x/n的值只可能等于0和1
0 is significantly different from 0.4.x in certain areas.
与0.4 .X在某些方面有巨大的差别。
So think of x as a vector of 0's and 1's.
可以把x看成是一个0和1的向量。
There it is X is 0, Y is 3. That's b.
X是0,y是3，那是b。
There it is X is 0, Y is 3. That's b.
X是0,y是3，那是b。
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