The vapor_utils module
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The vapor_utils module comes with functions that are useful for any Vapor user.  The following can be used to calculate magnitude of one or more vector variables once input variables have been selected and a new **magnitude** variable has been defined in the gui.  See below for all available functions.

.. code-block:: python

    from vapor_utils import *
    magnitude = Mag(U, V, W)

.. automodule:: vapor_utils
   :members: