GetValue

Get the value from RealVector_.

Calling examples:

• GetValue(obj, value, istart, iend, stride)
• GetValue(obj, dofobj, value, idof)
• GetValue(obj, dofobj, value, ivar, idof)
• GetValue(obj, dofobj, value, ivar, spacecompo, timecompo)
• GetValue(obj, dofobj, idofobj, value, dofvalue, idofvalue)
• GetValue(obj, dofobj, idofobj(:), value, dofvalue, idofvalue(:))
• GetValue(obj, dofobj, ivarobj, idofobj, value, dofvalue, ivarvalue, idofvalue)
• GetValue(obj, dofobj, ivarobj, idofobj(:), value, dofvalue, ivarvalue, idofvalue(:))