Illustration of constant interpolation, more precisely <a href="https://en.wikipedia.org/wiki/Nearest_neighbor_interpolation" class="extiw" title="en:Nearest neighbor interpolation">en:Nearest neighbor interpolation</a> on the same dataset as listed in <a href="https://en.wikipedia.org/wiki/Interpolation" class="extiw" title="en:Interpolation">Interpolation</a>.
<a href="//commons.wikimedia.org/wiki/User:Berland" title="User:Berland">Berland</a>
2007-06-23
self-made in <a href="https://en.wikipedia.org/wiki/Gnuplot" class="extiw" title="en:Gnuplot">Gnuplot</a>