Generic Glyphs, Different Domains
summary
Claims APL runs in production across finance, energy and labs and generates over a billion in annual application value; examples show concise, reusable primitives: a min‑plus inner product implements shortest‑through‑one‑stop and transitive closure, the power operator as inverse and fixpoint composes repeated or inverse transformations, indexing implements a DNA->mRNA lookup used in real forensic tools, and a new stencil operator does pooling with strides — plus uses in quantum modeling and WebAssembly integration.
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chapters (13)
- 0:00Generic glyphs in APL
- 1:06APL symbols across domains
- 3:34APL as math notation
- 8:28Rank and type polymorphism
- 9:32Matrix multiplication
- 12:43Graph algorithms with inner products
- 15:13Circuit states in APL
- 17:41Text matching with matrices
- 19:09Dimensional analysis
- 21:15DNA to RNA mapping
- 23:07Historical text analysis
- 24:32Max pooling and stencils
- 25:15Q&A
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