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You may declare that a DEFINITION name represents a complex quantity.  The format of a complex declaration is:

name = COMPLEX ( real_name , imaginary_name )  

 

This declaration tells FlexPDE that name represents a complex quantity, and assigns the real_name and imaginary_name to the real and imaginary parts of name.  You can perform arithmetic operations or request graphical output of either the name itself, or its components individually.

 

Example:

DEFINITIONS

Cr = 5

Ci = 7

C = COMPLEX(Cr,Ci)