[petsc-users] MatViewAndMatlabLoad

Oo wumeng07maths at qq.com
Fri Jul 18 04:19:44 CDT 2014


Dear All,


I met a problem about using "load()" function in Matlab to read a m file which describes a PETSc Mat object by :
 //Save coeff_matrix as a matlab file PetscViewer viewer; PetscViewerASCIIOpen(PETSC_COMM_WORLD,"CoeffMatrixFileName.m",&viewer); PetscViewerSetFormat(viewer, PETSC_VIEWER_ASCII_MATLAB); MatView(coeff_matrix, viewer); PetscViewerDestroy(&viewer);
In Matlab, I used:M=load("CoeffMatrixFileName.m") and I got an error.The error is:???Error using ===> loadNumber of columns on line 2 of ASCII file CoeffMatrixFileName.m must be the same as previous lines.
Do you know how to deal with that error?Or Do you think there is some a mistake in my output of PETSc Mat Obj with the PetscViewer? 
Thank you~:)
Meng
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