PETSc version 3.17.4
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# TSVISetVariableBounds

Sets the lower and upper bounds for the solution vector. xl <= x <= xu

### Synopsis

    #include "petscts.h"
    PetscErrorCode TSVISetVariableBounds(TS ts, Vec xl, Vec xu)

### Input Parameters

| ts | - the TS context.
| xl | - lower bound.
| xu | - upper bound.

### Notes

If this routine is not called then the lower and upper bounds are set to PETSC_NINFINITY and PETSC_INFINITY respectively during SNESSetUp().

### Level

advanced

### Location

src/ts/interface/ts.c

### Examples

src/ts/tutorials/ex21.c.html
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