34   virtual Real a()
 const { 
return 1.; }
    35   virtual Real b1()
 const { 
return .5; }
    36   virtual Real b2()
 const { 
return .5; }
 
const InputParameters & parameters() const
Get the parameters of the object. 
Base class for three different explicit second-order Runge-Kutta time integration methods: ...
Heun's (aka improved Euler) time integration method. 
Heun(const InputParameters ¶meters)
static InputParameters validParams()
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
virtual Real a() const
Method coefficient overrides.