Example #1
0
        internal MemoryState Process(Head[] heads)
        {
            int headCount      = heads.Length;
            int memoryColumnsN = _memory.CellCountN;

            ReadData[]    newReadDatas    = new ReadData[headCount];
            HeadSetting[] newHeadSettings = new HeadSetting[headCount];
            for (int i = 0; i < headCount; i++)
            {
                Head             head         = heads[i];
                BetaSimilarity[] similarities = new BetaSimilarity[_memory.CellCountN];

                for (int j = 0; j < memoryColumnsN; j++)
                {
                    Unit[]            memoryColumn = _memory.Data[j];
                    SimilarityMeasure similarity   = new SimilarityMeasure(new CosineSimilarityFunction(), head.KeyVector, memoryColumn);
                    similarities[j] = new BetaSimilarity(head.Beta, similarity);
                }

                ContentAddressing ca = new ContentAddressing(similarities);
                GatedAddressing   ga = new GatedAddressing(head.Gate, ca, _headSettings[i]);
                ShiftedAddressing sa = new ShiftedAddressing(head.Shift, ga);

                newHeadSettings[i] = new HeadSetting(head.Gamma, sa);
                newReadDatas[i]    = new ReadData(newHeadSettings[i], _memory);
            }

            NTMMemory newMemory = new NTMMemory(newHeadSettings, heads, _memory);

            return(new MemoryState(newMemory, newHeadSettings, newReadDatas));
        }
Example #2
0
 internal NTMMemory(int cellCountN, int cellSizeM, int headCount)
 {
     CellCountN       = cellCountN;
     CellSizeM        = cellSizeM;
     HeadCount        = headCount;
     Data             = UnitFactory.GetTensor2(cellCountN, cellSizeM);
     _oldSimilarities = BetaSimilarity.GetTensor2(headCount, cellCountN);
 }