I = subsToArray( subs, vals, siz, fillVal )">subsToArray</a>       - Converts subs/vals image representation to array representation.
   <a href="subsampleMatrix.html" class="code" title="function [X,keeplocs] = subsampleMatrix( X, maxMegs )">subsampleMatrix</a>   - Samples elements of X so result uses at most maxMegs megabytes of memory.
   <a href="uniqueColors.html" class="code" title="function clrs = uniqueColors( m, n, show, offset )">uniqueColors</a>      - Generate m*n visually distinct RGB colors 