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im2double


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 -- Function: im2double
      ########################################################################
     
      Copyright (C) 2007-2023 The Octave Project Developers
     
      See the file COPYRIGHT.md in the top-level directory of this
      distribution or <https://octave.org/copyright/>.
     
      This file is part of Octave.
     
      Octave is free software: you can redistribute it and/or modify it
      under the terms of the GNU General Public License as published by
      the Free Software Foundation, either version 3 of the License, or
      (at your option) any later version.
     
      Octave is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
     
      You should have received a copy of the GNU General Public License
      along with Octave; see the file COPYING.  If not, see
      <https://www.gnu.org/licenses/>.
     
      ########################################################################
      
      -*- texinfo -*-
      @deftypefn  {} {@var{dimg} =} im2double (@var{img})
      @deftypefnx {} {@var{dimg} =} im2double (@var{img}, "indexed")
      Convert image to double precision.
     
      The conversion of @var{img} to double precision, is dependent on the type of
      input image.  The following input classes are supported:
     
      @table @samp
      @item uint8, uint16, and int16
      The range of values from the class is scaled to the interval [0 1].
     
      @item logical
      True and false values are assigned a value of 1 and 0 respectively.
     
      @item single
      Values are cast to double.
     
      @item double
      Returns the same image.
     
      @end table
     
      If @var{img} is an indexed image, then the second argument should be the
      string @qcode{"indexed"}.  If so, then @var{img} must either be of floating
      point class, or unsigned integer class and it will simply be cast to double.
      If it is an integer class, an offset of +1 is applied.
     
      @xseealso{double}
      @end deftypefn
     *Url*: <http://ltfat.github.io/doc/thirdparty/misc/im2double.html>


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 ########################################################################



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ltfat_inferno


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 -- Function: ltfat_inferno
      LTFAT_INFERNO Inferno colormap
     
       The function returns 255 x 3 matrix representing 
       RGB values of a colormap.
     
       The colormap was generated using Matplotlib 2.0
       http://matplotlib.org/users/colormaps.html
     
       Copyright (c) 2012-2013 Matplotlib Development Team; All Rights Reserved
     *Url*:
     <http://ltfat.github.io/doc/thirdparty/misc/ltfat_inferno.html>


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 LTFAT_INFERNO Inferno colormap



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ltfat_magma


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 -- Function: ltfat_magma
      LTFAT_MAGMA Magma colormap
     
       The function returns 255 x 3 matrix representing 
       RGB values of a colormap.
     
       The colormap was generated using Matplotlib 2.0
       http://matplotlib.org/users/colormaps.html
     
       Copyright (c) 2012-2013 Matplotlib Development Team; All Rights Reserved
     *Url*:
     <http://ltfat.github.io/doc/thirdparty/misc/ltfat_magma.html>


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 LTFAT_MAGMA Magma colormap



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ltfat_nicecolormap


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 -- Function: ltfat_nicecolormap
      LTFAT_NICECOLORMAP Creates a nice colormap
     
       The function returns 64 x 3 matrix representing
       RGB values of a colormap.
       
     *Url*:
     <http://ltfat.github.io/doc/thirdparty/misc/ltfat_nicecolormap.html>


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 LTFAT_NICECOLORMAP Creates a nice colormap



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ltfat_plasma


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 -- Function: ltfat_plasma
      LTFAT_PLASMA Plasma colormap
     
       The function returns 255 x 3 matrix representing 
       RGB values of a colormap.
     
       The colormap was generated using Matplotlib 2.0
       http://matplotlib.org/users/colormaps.html
     
       Copyright (c) 2012-2013 Matplotlib Development Team; All Rights Reserved
     *Url*:
     <http://ltfat.github.io/doc/thirdparty/misc/ltfat_plasma.html>


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 LTFAT_PLASMA Plasma colormap



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ltfat_viridis


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 -- Function: ltfat_viridis
     LTFAT_VIRIDIS Viridis colormap
     
       The function returns 255 x 3 matrix representing 
       RGB values of a colormap.
     
       The colormap was generated using Matplotlib 2.0
       http://matplotlib.org/users/colormaps.html
     
       Copyright (c) 2012-2013 Matplotlib Development Team; All Rights Reserved
     *Url*:
     <http://ltfat.github.io/doc/thirdparty/misc/ltfat_viridis.html>


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LTFAT_VIRIDIS Viridis colormap





