gf_util

Performs various operations which do not fit elsewhere.

# Calling Sequence

    gf_util('save matrix', string FMT, string FILENAME, mat A)

    A = gf_util('load matrix', string FMT, string FILENAME)

    tl = gf_util('trace level' [, int level])

    tl = gf_util('warning level', int level)

## Description

Performs various operations which do not fit elsewhere.

## Command list

- `gf_util('save matrix', string FMT, string FILENAME, mat A)`

  Exports a sparse matrix into the file named FILENAME, using Harwell-Boeing (FMT='hb') or Matrix-Market (FMT='mm') formatting.

- `A = gf_util('load matrix', string FMT, string FILENAME)`

  Imports a sparse matrix from a file.

- `tl = gf_util('trace level' [, int level])`

  Set the verbosity of some getfem++ routines. Typically the messages printed by the model bricks, 0 means no trace message (default is 3). if no level is given, the current trace level is returned.

- `tl = gf_util('warning level', int level)`

  Filter the less important warnings displayed by getfem. 0 means no warnings, default level is 3. if no level is given, the current warning level is returned.

## See Also

- getfem types

## Authors

Y. Collette