EigTool Preferences

All of EigTool's default options can be modified using MATLAB preferences. For example, the default behaviour of EigTool displays the matrix dimension on the plot unless this is overridden using command line options; some users may prefer that the dimension is not displayed by default.

A full list of the default values that can be changed (and their current settings) can be seen by typing getpref('EigTool') at the MATLAB command prompt:

                  version: 2.02
                SMALL_GUI: 0
                 colormap: [64x3 double]
           levels_default: 'auto'
               ax_default: 'auto'
         proj_lev_default: Inf
           colour_default: 1
      thick_lines_default: 1
      scale_equal_default: 1
       print_plot_default: 0
      no_graphics_default: 0
       no_waitbar_default: 0
              dim_default: 0
             grid_default: 0
    assign_output_default: 0
              fov_default: 0
      unitary_mtx_default: 1
           no_ews_default: 0
           no_psa_default: 0
        imag_axis_default: 0
      unit_circle_default: 0
                p_default: 'auto'
              tol_default: 'auto'
               v0_default: 'auto'
            which_default: 'LM'
            maxit_default: 'auto'
           direct_default: 'auto'
            print_ew_size: 16
        colourbar_default: 1
         disp_pts_default: 'on'

Setting a preference

Each preference can be changed using the command setpref('EigTool','prefname',value) where prefname is the name of the preference being changed, and value is the new value. Most of the preferences are the default values for the command line options: see Command Line Options for a description and possible values. The other preferences are described below:

Preference Default Possible values Description
version2.04The current EigTool version. DO NOT CHANGE THIS VALUE.
SMALL_GUI00 or 1This switch is used to control the size of EigTool: large (0) for desktop machines, smaller for some laptops (1).
colormapEigTool colourmapAny MATLAB colourmapThe colourmap to be used by EigTool. This could be changed to jet for example, to produce pseudospectra with different colours.
disp_pts_default'on''on' or 'off'Display points when using items in the numbers menu automatically?

Resetting all the preferences

To reset the preferences to their default values, type the command set_eigtool_prefs('default') at the MATLAB command prompt.


EigTool home page.