:orphan:
# TSSetSolution
Sets the initial solution vector for use by the `TS` routines.
## Synopsis
```
#include "petscts.h"
PetscErrorCode TSSetSolution(TS ts, Vec u)
```
Logically Collective
## Input Parameters
- ***ts -*** the `TS` context obtained from `TSCreate()`
- ***u -*** the solution vector
## See Also
[](ch_ts), `TS`, `TSSetSolutionFunction()`, `TSGetSolution()`, `TSCreate()`
## Level
beginner
## Location
src/ts/interface/ts.c
## Examples
src/ts/tutorials/ex1.c
src/ts/tutorials/ex12.c
src/ts/tutorials/ex14.c
src/ts/tutorials/ex15.c
src/ts/tutorials/ex17.c
src/ts/tutorials/ex1f.F90
src/ts/tutorials/ex22.c
src/ts/tutorials/ex22f.F90
src/ts/tutorials/ex22f_mf.F90
src/ts/tutorials/ex25.c
src/ts/tutorials/ex27.c
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ts/interface/ts.c)
[Index of all TS routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)