Although the solving procedures of ALIAS are mostly devoted to be used for 0 dimensional system (i.e. systems having a finite number of solutions) most of them can still be used for non 0-dimensional system. Specific procedures for systems of dimension 1 are described in chapter 7. For larger dimension systems the solving procedures of ALIAS-Maple will provide an approximation of the result as a set of input intervals that are written in a file. To deal with non-0 dimensional system it is necessary to set the flag `ALIAS/ND` to 1 and to set the name of the file in the variable `ALIAS/ND_file` (its default value is .resultND.
The total volume of the boxes written in the file may be obtained through the variable `ALIAS/VolumeIn`. During the process we call neglected boxes the boxes that cannot be eliminated as not containing solutions of the problem but can neither be discarded as part of the boxes may contain a solution. A box will be neglected if its width is lower than `ALIAS/epsilon`. The total volume of the neglected boxes may be obtained through the variable `ALIAS/VolumeNeglected`.
The result (or cross-sections of it if the problem has more than 3 variables) may be visualized using the DrawND procedure described in section 9.10.