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- function y = create_set(x)
-
- # usage: create_set(x)
- #
- # Returns the unique elements of x, sorted in ascending order.
- #
- # See - union, intersection, complement
-
- if ( nargin != 1)
- usage ("create_set(x)");
- endif
-
- if(isempty(x))
- y = [];
- else
- [nrx, ncx] = size(x);
- nelx = nrx*ncx;
- x = reshape(x,1,nelx);
- y = zeros(1,nelx);
-
- x = sort(x);
- cur_val = y(1) = x(1);
- yindex = xindex = 2;
-
- while (xindex <= nelx)
- if(cur_val != x(xindex))
- cur_val = x(xindex);
- y(yindex++) = cur_val;
- endif
- xindex++;
- endwhile
- y = y(1:(yindex-1));
- endif
-
- endfunction
-
-