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# TSSetUp

Sets up the internal data structures for the later use of a timestepper.

## Synopsis

    #include "petscts.h"
    PetscErrorCode TSSetUp(TS ts)

Collective

## 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

TS: Scalable ODE and DAE Solvers, `TSCreate()`, `TS`, `TSStep()`, `TSDestroy()`, `TSSolve()`

## Level

advanced

## Location

src/ts/interface/ts.c

## Examples

src/ts/tutorials/ex28.c
src/ts/tutorials/ex42.c
src/ts/tutorials/ex1f.F90
src/ts/tutorials/ex1.c
src/ts/tutorials/ex53.c

## Implementations

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

Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages