slepc-3.7.3 2016-09-29
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# EPSKrylovSchurSetSubintervals

Sets the points that delimit the subintervals to be used in spectrum slicing with several partitions.

### Synopsis

    #include "slepceps.h"
    PetscErrorCode EPSKrylovSchurSetSubintervals(EPS eps,PetscReal *subint)

Logically Collective on EPS

### Input Parameters

| eps | - the eigenproblem solver context
| subint | - array of real values specifying subintervals

### Notes

This function must be called after EPSKrylovSchurSetPartitions(). For npart partitions, the argument subint must contain npart+1 real values sorted in ascending order: subint_0, subint_1, ..., subint_npart, where the first and last values must coincide with the interval endpoints set with EPSSetInterval().

The subintervals are then defined by two consecutive points: [subint_0,subint_1], [subint_1,subint_2], and so on.

### See Also

EPSKrylovSchurSetPartitions(), EPSKrylovSchurGetSubintervals(), EPSSetInterval()

Location: src/eps/impls/krylov/krylovschur/krylovschur.c
Index of all EPS routines
Table of Contents for all manual pages
Index of all manual pages