     --NUMLEV = THE INTEGER NUMBER OF CLASSES</span>
<span class="c">!                                DESIRED IN THE DISCRETIZATION.</span>
<span class="c">!     OUTPUT ARGUMENTS--Y      = THE  VECTOR OF</span>
<span class="c">!                                DISCRETIZED VALUES (= THE CLASS</span>
<span class="c">!                                MIDPOINTS) CORRESPONDING TO</span>
<span class="c">!                                THE CONTINUOUS VALUES IN THE VECTOR X.</span>
<span class="c">!                 