


Get signal and variance from sqw object, and a logical array of which values to ignore
>> [s,var,mask_null] = sigvar_get (w)
% Overloaded methods:
sqw/sigvar_get
IX_dataset_3d/sigvar_get
IX_dataset_2d/sigvar_get
IX_dataset_1d/sigvar_get
sqw/sigvar_get
d4d/sigvar_get
d3d/sigvar_get
d2d/sigvar_get
d1d/sigvar_get
d0d/sigvar_get