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This article introduces methods for generating playing cards, dealing cards, and shuffling in the J language using catalog operator, transpose, random number functions, and permutation functions.
l is a new runtime for k4, q, and qSQL that provides transparent SIMD, compressed vectors, and automatic parallelism while maintaining full compatibility with existing code. It targets high-performance computing on Wall Street.
This article by Marshall Lochbaum discusses the philosophy behind choosing primitives in the BQN array programming language, arguing that primitives should be discovered rather than invented, and contrasts symbols versus names.