public static float[][] GetDotProduct(float[][] matrix1, float[][] matrix2, float[] matrix1Abs = null, float[] matrix2Abs = null)
{
// need to handle case where matrix2Abs is null
var matrix1AbsoluteValue = matrix1Abs ?? ScalarValueCalculator.GetVectorAbsoluteValueBatch(matrix1);
var matrix2AbsoluteValue = matrix2Abs ?? ScalarValueCalculator.GetVectorAbsoluteValueBatch(matrix2);
return(matrix1.AsParallel().Select((matrix1RowVector, index) => GetDotProduct(matrix1RowVector, matrix2, vectorAbs: matrix1AbsoluteValue[index], matrixAbs: matrix2AbsoluteValue)).ToArray());
}
public static float[] GetDotProduct(float[] vector, float[][] matrix, float?vectorAbs = null, float[] matrixAbs = null)
{
// need to handle case where matrixAbs is null
var vectorAbsoluteValue = vectorAbs == null?ScalarValueCalculator.GetVectorAbsoluteValue(vector) : (float)vectorAbs;
var matrixAbsoluteValue = matrixAbs ?? ScalarValueCalculator.GetVectorAbsoluteValueBatch(matrix);
return(matrix.AsParallel().Select((row, index) => CalculateDotProductInternal(vector, row, vectorAbsoluteValue, matrixAbsoluteValue[index])).ToArray());
}
