# Command: MapThread

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Name:

    MapThread - apply a procedure to corresponding elements of n arrays

Synopsis:

    [[a11 ... a1n]...[am1 ... amn]] {f} MapThread ->
      [f(a11, a21,... am1)...f(a1n, a2n,...,amn)]

Description:

    MapThread is like a multidimensional Map. It applies the function
      of to corresponding elements of m argument arrays.

Parameters:

    the first parameter is a list of m arrays of equal size n.
      The second parameter is a procedure which takes m arguments and
      returns a single value.
      Examples:   [[1 2][3 4]] {add} MapThread -> [4 6]
      [[1 2 3 4] [1 1 1 1]] {add} MapThread -> [2 3 4 5]

References:

    This function implements the simple version of Mathematica's
      MapThread

SeeAlso:

- Map
- MapIndexed
- NestList
- FoldList
- ScanThread

Source:

    /opt/conda/conda-bld/nest_1510212701067/work/nest-2.14.0/sli/sliarray.cc

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