Introduced additional column headings to explicate the common pattern in DP tables.

dynamic-programming/notes.md

@@ -86,8 +86,8 @@ Problem: Subject to an integer weight limit, what choice of items (allowing repe
 *   Item A weighs 3 kg and is worth $10.
 *   Item B weighs 4 kg and is worth $14.
 
-                     Backpointer
-                 -------------------
+      Vertex         Backpointer      Notes for Humans
+    -----------  -------------------  ----------------
     Weight (kg)   Item   Total Value  (Back to Weight)
     -----------  ------  -----------  ----------------
               0  [none]           $0  ⊥
@@ -145,17 +145,17 @@ Problem: Wrap a paragraph to a line length, minimizing the sum of the squares of
 >  x x x x xxxx xxxx
 > 0 1 2 3 4    5    6
 
-                    Backpointer
-           -----------------------------
-    Index  Previous Index  Total Penalty
-    -----  --------------  -------------
-        0               ⊥              0
-        1               …              …
-        2               …              …
-        3               …              …
-        4               …              …
-        5               …              …
-        6               …              …
+    Vertex          Backpointer
+    ------  -----------------------------
+     Index  Previous Index  Total Penalty
+    ------  --------------  -------------
+         0               ⊥              0
+         1               …              …
+         2               …              …
+         3               …              …
+         4               …              …
+         5               …              …
+         6               …              …
 
     Reversed Path
     ----