[petsc-users] Problems of Viewing Mat with MATLAB format

[Yaoyu Hu]

Hi everyone,

I want to view a parallel dense Mat with MATLAB format. I use the
following method.

========= Sample codes. =========

/* Set the name of the Mat.*/
PetscObjectSetName()

/* View the Mat. */
PetscViewerASCIIOpen()
PetscViewerPushFormat()
MatView()
PetscViewerDestroy()

====== End of sample codes. =======

However, after the Mat has been viewed, the MATLAB object’s name is
not the same with that specified by PetscObjectSetName(). The
resultant MATLAB file looks like this:

========= Sample viewed file in MATLAB format. ==========

%Mat Object:Mat_ElementLastFaceVelocity 8 MPI processes
%  type: mpidense
% Size = 16000 18
Mat_0x1370b20_7 = zeros(16000,18);
Mat_0x1370b20_7 = [

======= End of sample viewed file in MATLAB format. ========

The Mat Object has the right name but the MATLAB object has the name
Mat_0xxxxxxx. How can I make the MATLAB object has the same name with
the Mat object?

I also checkout the output for Vec object. The resultant MATLAB file
has the right names for both Vec object and MATLAB object.

Thanks!

P.S.: I am using Version 3.7.0

HU Yaoyu