# TSComputeSolutionFunction
Evaluates the solution function. 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSComputeSolutionFunction(TS ts, PetscReal t, Vec U)
```
Collective on ts


## Input Parameters

- ***ts -*** the `TS` context
- ***t -*** current time



## Output Parameter

- ***U -*** the solution





## See Also
 [](chapter_ts), `TS`, `TSSetSolutionFunction()`, `TSSetRHSFunction()`, `TSComputeIFunction()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/interface/ts.c.html#TSComputeSolutionFunction">src/ts/interface/ts.c</A>


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[Index of all TS routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
