Wow, it's really surprising and exciting to see the original developer of 
the code I'm now runing answering this question! Thank you so much Prof. 
Praveen.This is greetings from remote China! I'm now a master student and 
am running and learning the DG code developed by you. So I really want to 
show my respect and gratitude to you. By the way, though I have leared 
deal.II for a few days, but still found it difficult to grasp this tool. I 
find it too difficult to handle that many classes/functions and assemble 
them to do something. When I try to use a class or a funtion I always try 
to understand what is going on underneath. But when I tried to go deep into 
the code, I found there are too many things to learn and too difficult to 
learn. Take the MeshWorker::DoFInfo/IntegrationInfoBox... as an example, 
it's always difficult for me to understand the designing philosophy and the 
logic behind it, though there are many tutorial examples and documentations 
already. Could you kindly introduce some experience and give advices on how 
to efficiently learn and master this tool and make it into use for a 
beginner like me. Best regards and many thanks!


在 2017年10月26日星期四 UTC+8下午9:07:56,Praveen C写道:
>
> step-39 should be of some help to you. 
>
> best 
> praveen 
>
> > On 26-Oct-2017, at 5:45 PM, 曾元圆 <2012...@gmail.com <javascript:>> 
> wrote: 
> > 
> > I am trying to run a open source code, but an error occurred. 
> > In the code it uses NamedData like this: 
> > NamedData< Vector <double> *> solution_data; 
> > Info_box.initialize(fe, mapping, solution_data); 
> > 
> > How should I use AnyData to replace it? 
> > Actually I am a new learner, I tried to read the documentation related 
> to AnyData class but didn't quite understand how to use it. 
> > 
> > -- 
> > The deal.II project is located at http://www.dealii.org/ 
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>

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