An Elementary Introduction to the Wolfram Language - Second Edition

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• Definitions can be associated with the head of a function (“downvalues”), with the heads of its arguments (“upvalues”), or with the head of the head, etc. (“subvalues”). Upvalues are effectively a generalization of methods in object-oriented languages. (查看原文)

  harryhare 2017-01-10 23:04:28

• What happens if a variable escapes from a Module without having been assigned a value? Try it! You’ll find you’ll get a new variable that’s been given a unique name. (查看原文)

  harryhare 2017-01-10 23:09:30

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