Function: blockpanel
BLOCKPANEL Control panel
  Usage: blockpanel(params)

  Input parameters:
     params: Cell-array of parameters specifications.

  Output parameters:
     p : Control panel Java object

  BLOCKPANEL(params) creates a Java object containing GUI for changing
  parameters during the playback. params should be a cell-array, whose 
  elements are another cell array of the following format:

     {'var','label',minVal,maxVal,defVal,valCount}

  Example:

  params = {
              {'G','Gain',-20,20,0,21}
           }

  The function takes in the additional optional arguments:

      'location',location:   Window initial position. location
                               has to be 2 element row vector [x,y]
                               defining distance from the top-left
                               corner of the screen. 

Url: http://ltfat.github.io/doc/blockproc/blockpanel.html

Package: ltfat