MatViewFromOptions#

View properties of the matrix based on options set in the options database

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatViewFromOptions(Mat A, PetscObject obj, const char name[])

Collective

Input Parameters#

  • A - the matrix

  • obj - optional additional object that provides the options prefix to use

  • name - command line option

Options Database Key#

  • -mat_view [viewertype]:… - the viewer and its options

Note#

    If no value is provided ascii:stdout is used
       ascii[:[filename][:[format][:append]]]    defaults to stdout - format can be one of ascii_info, ascii_info_detail, or ascii_matlab,
                                                  for example ascii::ascii_info prints just the information about the object not all details
                                                  unless :append is given filename opens in write mode, overwriting what was already there
       binary[:[filename][:[format][:append]]]   defaults to the file binaryoutput
       draw[:drawtype[:filename]]                for example, draw:tikz, draw:tikz:figure.tex  or draw:x
       socket[:port]                             defaults to the standard output port
       saws[:communicatorname]                    publishes object to the Scientific Application Webserver (SAWs)

See Also#

Matrices, Mat, MatView(), PetscObjectViewFromOptions(), MatCreate()

Level#

intermediate

Location#

src/mat/interface/matrix.c

Examples#

src/snes/tutorials/ex56.c
src/ksp/ksp/tutorials/ex42.c
src/ksp/ksp/tutorials/ex29.c
src/ksp/ksp/tutorials/ex21.c
src/ksp/ksp/tutorials/ex19.c
src/ksp/ksp/tutorials/ex34.c
src/snes/tutorials/ex62.c
src/ksp/ksp/tutorials/ex71.c
src/ksp/ksp/tutorials/ex85.c
src/mat/tutorials/ex19.c


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