/// <summary>
/// Normalizes the supplied matrix so that the sum of all entries sums to 1. MODIFIES SOURCE!
/// </summary>
/// <returns>this</returns>
public static Matrix <double> NormalizeToSum1(this Matrix <double> matrixWillBeModified)
{
var sum = matrixWillBeModified.Norm(x => x, KahanSum.Zero, (s, x) => s + x);
if (sum.Value != 0.0)
{
double scale = 1.0 / sum.Value;
matrixWillBeModified.Apply(x => scale * x);
}
return(matrixWillBeModified);
}
/// <summary>
/// Normalizes the supplied matrix so that the sum of all entries sums to 1. MODIFIES SOURCE!
/// </summary>
/// <returns>this</returns>
public static Matrix <float> NormalizeToSum1(this Matrix <float> matrixWillBeModified)
{
var sum = matrixWillBeModified.Norm(x => x, 0.0, (s, x) => s + (double)x);
if (sum != 0.0)
{
double scale = 1.0 / sum;
matrixWillBeModified.Apply(x => (float)(scale * x));
}
return(matrixWillBeModified);
}