Updated TSP documentation, fixed matrix example #123

VERSION

@@ -1 +1 @@
-v2.0.0-alpha-97-g63ff357 develop
+v2.0.0-alpha-97-g9193863 develop

src/tsp/doc/index.rst

@@ -105,21 +105,35 @@ Examples
 
 .. code-block:: sql
 
- SELECT * FROM pgr_tsp('SELECT id AS source_id, x, y FROM vertex_table','2,7,11',7);
+ SELECT * FROM pgr_tsp('SELECT id AS source_id, x, y FROM vertex_table','2,7,11,9',7);
 
 
-* Using distance matrix
+* Using distance matrix (Points 2,7,11 and 9, starting from 7)
 
 .. code-block:: sql
 
- SELECT seq, id FROM pgr_tsp('{{0,1,2,3},{1,0,3,2},{2,3,0,4},{3,2,4,0}}',2);
+ SELECT seq, id FROM pgr_tsp('{{0,1,3,3},{1,0,2,2},{3,2,0,2},{3,2,2,0}}',1);
 
  seq | id 
  -----+----
- 0 | 2
+ 0 | 1
+ 1 | 3
+ 2 | 2
+ 3 | 0
+ (4 rows)
+
+* Using distance matrix (Points 2,7,11 and 9, starting from 7, returning to 11)
+
+.. code-block:: sql
+
+ SELECT seq, id FROM pgr_tsp('{{0,1,3,3},{1,0,2,2},{3,2,0,2},{3,2,2,0}}',1,2);
+
+ seq | id 
+ -----+----
+ 0 | 3
  1 | 0
  2 | 1
- 3 | 3
+ 3 | 2
  (4 rows)
 
 The queries use the :ref:`sampledata` network.