Fold and Scan
The Array Cast
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The Difference Between K and Q in Computer Languages
If all you have is a plus scan what you can do is just negate every other term of the sequence. And that's fine because it isn't alternating some it's just every other term is negative. So if you if you're going left to right. In addition to the I mean it might work against mathematical but in terms of computer languages is it easier to do it that way does it make more sense when somebody's programming? Yeah, and I'm sure the K derivatives keep that that intact toobut there aren't any any super popular. K derivatives other than Q interesting I wonder if I assume not but is there any insight into why Arthur made that choice or did he write about it
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