differences

d03pcc	General system of parabolic PDEs, method of lines, finite differences, one space variable
d03phc	General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, one space variable
d03ppc	General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, remeshing, one space variable
g04dbc	Computes confidence intervals for differences between means computed by g04bbc or g04bcc
g13dlc	Multivariate time series, differences and/or transforms