Marshall Lochbaum
Programming Language Implementor
Dyalog Ltd.
location_on United Kingdom
Member since 9 months
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Marshall Lochbaum
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Marshall first learned to code with the J language and has been part of the array programming community ever since. His interest in programming language design and implementation eventually landed him a job at Dyalog Ltd., where he works to improve their APL interpreter by building algorithms that make the most of modern hardware.
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Thinking with Arrays
45 Mins
Talk
Beginner
Building on Aaron's introduction to APL, Marshall will take a broader view of APL and discuss what the concept of a (multidimensional) array means to array programmers and why we might want to base entire languages on this concept. He will show how methods from the array paradigm can be used even when programming in functional languages, focusing on one APL operator rarely appreciated outside of the array community: the outer product. Finally he will discuss a number of problems taken from mathematics and practical programming and show how APL thinking can simplify and unify concepts: all of the problems are solved using the same simple pattern involving outer products!
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