node = prod(size(h));
0085 
0086 <span class="comment">% check if variable range exists</span>
0087 f = first_time;
0088 l = last_time;
0089 tbeg = datenum(str2num(f(1:4)),str2num(f(5:6)),str2num(f(7:8)),str2num(f(10:11)),str2num(f(12:13)),str2num(f(14:15)));
0090 tend = datenum(str2num(l(1:4)),str2num(l(5:6)),str2num(l(7:8)),str2num(l(10:11)),str2num(l(12:13)),str2num(l(14:15)));
0091 tinc  = increment/(24*3600);
0092 times = tbeg:tinc:tend;
0093 ntimes = prod(size(times));
0094 <span class="keyword">for</