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4min chapter
Fold and Scan
The Array Cast
The Convergence Form of the Scan Operator
The converge form of the scan operator is a unary f applied to x until until it stops changing where you get back to where you started. So f scan on x is just going to keep going until it's done. When's it done? It's done when the results you get is this is the same or indistinguishable from the previous result. Oh, then we're done here. If the result matches your original original value, which is all with come around in a circle and we're done. Now, a nice little wrinkle in that is that because Q and K. See, I kind of dualism between functions and arrays. The, you can replace the test function with a
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