This class is missing documentation.
Copy and paste the text below and save to HelpSource/Classes/RK.schelpTITLE:: RK summary:: _short_description_here_ categories:: Undocumented classes related:: Classes/SomeRelatedClass, Reference/SomeRelatedStuff DESCRIPTION:: _put_long_description_here_ First code examples: code:: _some_example_code_ :: CLASSMETHODS:: INSTANCEMETHODS:: METHOD:: evaluate argument:: initial_y argument:: t argument:: dt argument:: dydt EXAMPLES:: code:: _some_example_code_ ::