[yt-users] yt help deriving new fields

tazkera haque h.tazkera at gmail.com
Thu Feb 11 10:42:05 PST 2016


thanks very much Matthew

On Thu, Feb 11, 2016 at 11:57 AM, Matthew Turk <matthewturk at gmail.com>
wrote:

> Hi Tazkera,
>
> Try just doing return 0.5*dm*(xv**2+yv**2+zv**2)+grav_pot*dm instead of
> including the assingment.
>
> On Mon, Feb 8, 2016 at 2:08 PM, tazkera haque <h.tazkera at gmail.com> wrote:
>
>> Hi, I need a little help in defining a new derived field. my goal is to
>> find if a stellar system eject some mass or not.
>>
>> I am attaching the derived_field_list from the file I have. I am trying
>> to define the total energy of the system E=0.5*m*v**2+gravitational
>> potential energy*m
>>
>> I am completely new to python and trying to get hold of the language
>> through yt. I am attaching my efforts and the errors. please help me fix
>> that.
>>
>> Thanks in advance.
>>
>> Tazkera
>>
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>>
>
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