diff --git a/matlab/isdseries.m b/matlab/utilities/dseries/isdseries.m similarity index 100% rename from matlab/isdseries.m rename to matlab/utilities/dseries/isdseries.m diff --git a/matlab/isaletter.m b/matlab/utilities/general/isaletter.m similarity index 100% rename from matlab/isaletter.m rename to matlab/utilities/general/isaletter.m diff --git a/matlab/isconst.m b/matlab/utilities/general/isconst.m similarity index 100% rename from matlab/isconst.m rename to matlab/utilities/general/isconst.m diff --git a/matlab/isglobalinbase.m b/matlab/utilities/general/isglobalinbase.m similarity index 100% rename from matlab/isglobalinbase.m rename to matlab/utilities/general/isglobalinbase.m diff --git a/matlab/isint.m b/matlab/utilities/general/isint.m similarity index 100% rename from matlab/isint.m rename to matlab/utilities/general/isint.m diff --git a/matlab/ispd.m b/matlab/utilities/general/ispd.m similarity index 100% rename from matlab/ispd.m rename to matlab/utilities/general/ispd.m diff --git a/matlab/isquare.m b/matlab/utilities/general/isquare.m similarity index 100% rename from matlab/isquare.m rename to matlab/utilities/general/isquare.m