Gilles created MATH-1263:
----------------------------

             Summary: Accessor in "NeuronSquareMesh2D"
                 Key: MATH-1263
                 URL: https://issues.apache.org/jira/browse/MATH-1263
             Project: Commons Math
          Issue Type: Wish
    Affects Versions: 3.5
            Reporter: Gilles
            Assignee: Gilles
            Priority: Minor
             Fix For: 4.0, 3.6


In class {{NeuronSquareMesh2D}} (package {{o.a.c.m.ml.neuralnet}}):
A new method to select a neighbour in a certain "direction" (to be defined
with an "enum") would be useful (for some visualizations that need the exact 
location of each neighbour):
{code}
public class NeuronSquareMesh2D {
   // ...

   public enum HorizontalDirection {
       RIGHT, CENTER, LEFT,
   }
   public enum VerticalDirection {
       UP, CENTER, DOWN,
   }

   public Neuron getNeuronNeighbour(int i,
                                    int j,
                                    HorizontalDirection iDir,
                                    VerticalDirection jDir) {
       // ...
   }
}
{code}




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