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based on an earlier version of the Wolfram Language.
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List ({...})

{e1, e2, ...}
is a list of elements.
  • Lists are very general objects that represent collections of expressions.
  • Functions with attribute Listable are automatically "threaded" over lists, so that they act separately on each list element. Most built-in mathematical functions are Listable.
  • {a, b, c} represents a vector.
  • {{a, b}, {c, d}} represents a matrix.
  • Nested lists can be used to represent tensors.
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