Fold and Scan

Array Cast - April 28, 2023 Show NotesThanks to Bob Therriault, Marshall Lochbaum, and Adám Brudzewsky for gathering these links:[01] 00:01:35 J903 on iOS https://code.jsoftware.com/wiki/Guides/iOS              J9.5 https://code.jsoftware.com/wiki/System/Installation#J9.5_BETA              m. Modular arithmetic https://code.jsoftware.com/wiki/Vocabulary/mdot[02] 00:02:53 Suggestions for Stephen's book  [email protected][03] 00:06:31 Rich's Problem Solving video https://www.youtube.com/watch?v=O73HYH0p8eo[04] 00:07:49 Henry Rich Fold Episode https://www.arraycast.com/episodes/episode48-henry-rich              Kadane's Algorithm https://en.wikipedia.org/wiki/Maximum_subarray_problem[05] 00:11:20 J Under (Dual) Conjunction  https://code.jsoftware.com/wiki/Vocabulary/ampdot              Fold in q https://code.kx.com/q/ref/accumulators/#while              Fold in BQN https://mlochbaum.github.io/BQN/doc/fold.html              Fold(Reduce) in APL https://aplwiki.com/wiki/Reduce              Fold in J  https://code.jsoftware.com/wiki/Vocabulary/fcap[06] 00:15:07 Taylor Series https://en.wikipedia.org/wiki/Taylor_series[07] 00:22:10 J Prefixes https://code.jsoftware.com/wiki/Vocabulary/bslash              J Suffixes https://code.jsoftware.com/wiki/Vocabulary/bslashdot[08] 00:28:02 q Scan Iterator https://code.kx.com/q/ref/iterators/[09] 00:36:49 Tom McGuire's Kadane Tutorial https://code.jsoftware.com/wiki/Essays/Kadane_Algorithm;_J_Tutorial              Will Gajate's J-k Fold equivalents https://code.jsoftware.com/wiki/User:Will_Gajate/FoldVariants[10] 00:46:09 Guy Steele's Fortress https://en.wikipedia.org/wiki/Fortress_(programming_lang