:orphan:
# Tao
Abstract PETSc object that manages nonlinear optimization solves 
## Synopsis
```
typedef struct _p_Tao *Tao;
```



## See Also
 [](doc_taosolve), [](ch_tao), `TaoCreate()`, `TaoDestroy()`, `TaoSetType()`, `TaoType`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsctao.h.html#Tao">include/petsctao.h</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/bound/tutorials/jbearing2.c.html">src/tao/bound/tutorials/jbearing2.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/bound/tutorials/plate2.c.html">src/tao/bound/tutorials/plate2.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/bound/tutorials/plate2f.F90.html">src/tao/bound/tutorials/plate2f.F90</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/complementarity/tutorials/blackscholes.c.html">src/tao/complementarity/tutorials/blackscholes.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/complementarity/tutorials/minsurf1.c.html">src/tao/complementarity/tutorials/minsurf1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/constrained/tutorials/ex1.c.html">src/tao/constrained/tutorials/ex1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/constrained/tutorials/maros.c.html">src/tao/constrained/tutorials/maros.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/tutorials/chwirut1.c.html">src/tao/leastsquares/tutorials/chwirut1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/tutorials/chwirut2.c.html">src/tao/leastsquares/tutorials/chwirut2.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/tutorials/cs1.c.html">src/tao/leastsquares/tutorials/cs1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/leastsquares/tutorials/tomography.c.html">src/tao/leastsquares/tutorials/tomography.c</A><BR>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/linesearch/impls/morethuente/morethuente.c.html#Tao_mcstep">Tao_mcstep in src/tao/linesearch/impls/morethuente/morethuente.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/taoimpl.h.html#_p_Tao">_p_Tao in include/petsc/private/taoimpl.h</A><BR>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petsctao.h)


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