>Record# EMPTYLOOP WITHMDOT WITHOUTM WITHFASTER NETDIFF >1 0.250000 3.555000 3.555000 .F. 0.000000 >2 0.201000 3.305000 2.864000 .F. 0.000000 >3 0.210000 4.186000 2.784000 .F. 0.441000 >4 0.200000 3.766000 3.254000 .F. 1.402000 >5 0.221000 3.375000 3.334000 .F. 0.512000 >6 0.311000 5.047000 2.744000 .F. 0.041000 >7 0.210000 4.567000 2.884000 .F. 2.303000 >8 0.210000 3.545000 3.736000 .F. 1.683000 >9 0.210000 3.535000 3.024000 .T. -0.191000 >10 0.241000 3.615000 3.064000 .F. 0.511000 >>
m.netdiff = m.withmdot - m.withoutmThis should fix the erroneous results shown in the first two instances.