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