Re: dolfin function to octave function

[c.]

On 12 Sep 2013, at 15:01, c. <address@hidden> wrote:

> 
> On 12 Sep 2013, at 14:17, marco Vassallo <address@hidden> wrote:
> 
>> It is implemented in the @function/feval
>> You have to create the function starting from the vector and the 
>> FunctionSpace and
>> then you can evaluate it at a given point.
>> 
>> Marco
> 
> OK, thanks! 
> 
> Then please change the example that uses fpl export so 
> that it uses "feval" to evaluate the solution at element
> centers or vertices in order to make it more general.
> 
> If you want, rather than export to vtk which more easily 
> done via the "save" method, you could use "msh3m_gmsh_write" [1]
> to write to gmsh format.
> 
> c.
> 
> 
> [1] 
> http://sourceforge.net/p/octave/code/12163/tree/trunk/octave-forge/extra/msh/inst/msh3m_gmsh_write.m


Marco,

Plotting the pressure field from the darcy-stokes example consistently fails 
with the error:

  013-09-12 16:37:27.110 octave-cli[10078:707] invalid drawable

after which Ocave hangs and I am unable to return to prompt.

c.