[petsc-users] importing .mat to petsc

[Barry Smith]

  PETSc cannot read .mat Matlab files. It can only read files saved with the PetscBinaryWrite.m script that we provide.

  Barry

> On Jan 30, 2015, at 1:12 AM, siddhesh godbole <siddhesh4godbole at gmail.com> wrote:
> 
> hello,
> i tried importing matlab file containing 10000 scalars to petsc.
> 
> 
> [0]PETSC ERROR: Read from file failed
> [0]PETSC ERROR: Error reading from file, errno 9
> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
> [0]PETSC ERROR: Petsc Release Version 3.5.2, Sep, 08, 2014 
> [0]PETSC ERROR: ./10D on a arch-linux2-c-debug named renoir by hridya Fri Jan 30 12:32:52 2015
> [0]PETSC ERROR: Configure options --download-mpich
> [0]PETSC ERROR: #1 PetscBinaryRead() line 275 in /home/hridya/Downloads/petsc-3.5.2/src/sys/fileio/sysio.c
> 
> 
> i dont understand why should it not import the file. Please help!
> 
> 
> just in case for reference i have used following routines;
>  ierr = PetscViewerBinaryOpen(PETSC_COMM_WORLD,"psi.mat",FILE_MODE_READ,&fd);CHKERRQ(ierr);
> 
>  PetscViewerBinaryGetDescriptor(fd,&REV);
>  PetscBinaryRead(REV,trial,trial,PETSC_SCALAR);
> 
> 
> 
> 
> 
> Siddhesh M Godbole
> 
> 5th year Dual Degree,
> Civil Eng & Applied Mech.
> IIT Madras