Specify the Control Variable Field specific to the geometric entity level (domain, edge, boundary, or point) in question.
This section contains settings for the element used to discretize the control variable. Select a Shape function type:
Lagrange (the default) or
Discontinuous Lagrange. Also select an
Element order:
Linear,
Quadratic (the default),
Cubic,
Quartic, or
Quintic. The value type (complex or real) for all the variables defined by this
Global Equations node is selected in the
Value type when using splitting of complex variables selection. The default value type is
Complex.