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# MatSeqBAIJSetColumnIndices
Set the column indices for all the rows in the matrix. 
## Synopsis
```
#include "petscmat.h"  
PetscErrorCode MatSeqBAIJSetColumnIndices(Mat mat, PetscInt *indices)
```

## Input Parameters

- ***mat -*** the `MATSEQBAIJ` matrix
- ***indices -*** the column indices





## Notes
This can be called if you have precomputed the nonzero structure of the
matrix and want to provide it to the matrix object to improve the performance
of the `MatSetValues()` operation.

You MUST have set the correct numbers of nonzeros per row in the call to
`MatCreateSeqBAIJ()`, and the columns indices MUST be sorted.

MUST be called before any calls to `MatSetValues()`


## See Also
 [](ch_matrices), `Mat`, `MATSEQBAIJ`, `MatSetValues()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/baij/seq/baij.c.html#MatSeqBAIJSetColumnIndices">src/mat/impls/baij/seq/baij.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/mat/impls/baij/seq/baij.c.html#MatSeqBAIJSetColumnIndices_SeqBAIJ">MatSeqBAIJSetColumnIndices_SeqBAIJ in src/mat/impls/baij/seq/baij.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/mat/impls/baij/seq/baij.c)


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