# TSSetUp
Sets up the internal data structures for the later use of a timestepper. 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSSetUp(TS ts)
```
Collective on ts


## Input Parameter

- ***ts -*** the `TS` context obtained from `TSCreate()`





## Note
For basic use of the `TS` solvers the user need not explicitly call
`TSSetUp()`, since these actions will automatically occur during
the call to `TSStep()` or `TSSolve()`.  However, if one wishes to control this
phase separately, `TSSetUp()` should be called after `TSCreate()`
and optional routines of the form TSSetXXX(), but before `TSStep()` and `TSSolve()`.


## See Also
 [](chapter_ts), `TSCreate()`, `TS`, `TSStep()`, `TSDestroy()`, `TSSolve()`

## Level
advanced

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

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex1.c.html">src/ts/tutorials/ex1.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex17.c.html">src/ts/tutorials/ex17.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex1f.F90.html">src/ts/tutorials/ex1f.F90.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex28.c.html">src/ts/tutorials/ex28.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex42.c.html">src/ts/tutorials/ex42.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex53.c.html">src/ts/tutorials/ex53.c.html</A><BR>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/arkimex/arkimex.c.html#TSSetUp_ARKIMEX">TSSetUp_ARKIMEX in src/ts/impls/arkimex/arkimex.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/bdf/bdf.c.html#TSSetUp_BDF">TSSetUp_BDF in src/ts/impls/bdf/bdf.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/eimex/eimex.c.html#TSSetUp_EIMEX">TSSetUp_EIMEX in src/ts/impls/eimex/eimex.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/explicit/euler/euler.c.html#TSSetUp_Euler">TSSetUp_Euler in src/ts/impls/explicit/euler/euler.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/explicit/rk/rk.c.html#TSSetUp_RK">TSSetUp_RK in src/ts/impls/explicit/rk/rk.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/explicit/ssp/ssp.c.html#TSSetUp_SSP">TSSetUp_SSP in src/ts/impls/explicit/ssp/ssp.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/glee/glee.c.html#TSSetUp_GLEE">TSSetUp_GLEE in src/ts/impls/glee/glee.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/alpha/alpha1.c.html#TSSetUp_Alpha">TSSetUp_Alpha in src/ts/impls/implicit/alpha/alpha1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/alpha/alpha2.c.html#TSSetUp_Alpha">TSSetUp_Alpha in src/ts/impls/implicit/alpha/alpha2.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/discgrad/tsdiscgrad.c.html#TSSetUp_DiscGrad">TSSetUp_DiscGrad in src/ts/impls/implicit/discgrad/tsdiscgrad.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/glle/glle.c.html#TSSetUp_GLLE">TSSetUp_GLLE in src/ts/impls/implicit/glle/glle.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/irk/irk.c.html#TSSetUp_IRK">TSSetUp_IRK in src/ts/impls/implicit/irk/irk.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/sundials/sundials.c.html#TSSetUp_Sundials">TSSetUp_Sundials in src/ts/impls/implicit/sundials/sundials.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/theta/theta.c.html#TSSetUp_Theta">TSSetUp_Theta in src/ts/impls/implicit/theta/theta.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/theta/theta.c.html#TSSetUp_BEuler">TSSetUp_BEuler in src/ts/impls/implicit/theta/theta.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/implicit/theta/theta.c.html#TSSetUp_CN">TSSetUp_CN in src/ts/impls/implicit/theta/theta.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/mimex/mimex.c.html#TSSetUp_Mimex">TSSetUp_Mimex in src/ts/impls/mimex/mimex.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/multirate/mprk.c.html#TSSetUp_MPRK">TSSetUp_MPRK in src/ts/impls/multirate/mprk.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/pseudo/posindep.c.html#TSSetUp_Pseudo">TSSetUp_Pseudo in src/ts/impls/pseudo/posindep.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/rosw/rosw.c.html#TSSetUp_RosW">TSSetUp_RosW in src/ts/impls/rosw/rosw.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/impls/symplectic/basicsymplectic/basicsymplectic.c.html#TSSetUp_BasicSymplectic">TSSetUp_BasicSymplectic in src/ts/impls/symplectic/basicsymplectic/basicsymplectic.c</A><BR>


---
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