> Am 29.11.2019 um 09:14 schrieb Patrick Sanan <[email protected]>:
>
> PETSc has its own binary format, which is not the same as MATLAB's.
>
> However, PETSc includes some MATLAB/Octave scripts which will load these
> binary files.
>
> See $PETSC_DIR/share/matlab/PetscBinaryRead.m - there are some examples in
> the comments at the top of that file.
Correction: $PETSC_DIR/share/petsc/matlab/PetscBinaryRead.m
>
>
> Note that you will probably want to add $PETSC_DIR/share/matlab to your
> MATLAB path so that you can run the script. This is what I have for Octave,
> but I'm not sure if it this, precisely, works in MATLAB:
>
> $ cat ~/.octaverc
> PETSC_DIR=getenv('PETSC_DIR');
> if length(PETSC_DIR)==0
> PETSC_DIR='~/code/petsc'
> end
> addpath([PETSC_DIR,'/share/petsc/matlab'])
>
> (As an aside, note that there are also scripts included to load PETSc binary
> files to use with numpy/scipy in Python, e.g.
> $PETSC_DIR/lib/petsc/bin/PetscBinaryIO.py)
>
>> Am 29.11.2019 um 04:07 schrieb baikadi pranay <[email protected]
>> <mailto:[email protected]>>:
>>
>> Hello PETSc users,
>>
>> I have a sparse matrix built and I want to output the matrix for viewing in
>> matlab. However i'm having difficulty outputting the matrix. I am writing my
>> program in Fortran90 and I've included the following lines to output the
>> matrix.
>>
>> call
>> PetscViewerBinaryOpen(PETSC_COMM_SELF,'matrix',FILE_MODE_WRITE,view,ierr)
>> call PetscViewerBinaryGetDescriptor(view,fd,ierr)
>> call PetscBinaryWrite(fd,ham,1,PETSC_SCALAR,PETSC_FALSE,ierr)
>>
>> These lines do create a matrix but matlab says its not a binary file. Could
>> you please provide me some inputs on where I'm going wrong and how to
>> proceed with this problem. I can provide any further information that you
>> might need to help me solve this problem.
>>
>>
>> Thank you.
>>
>> Sincerely,
>> Pranay.
>
