public CacheEntry(Key key, QrFactorization qrFactorization)
{
Key = key;
QrFactorization = qrFactorization;
MatrixCrossproduct = ImmutableMatrix.OfMatrix(ComputeMatrixCrossproduct(key.Matrix, qrFactorization.IndependentColumnIndexes));
MatrixCrossproductInverse = ImmutableMatrix.OfMatrix(MatrixCrossproduct.Inverse());
}
public Key(Matrix <double> matrix, double tolerance) : this()
{
Matrix = ImmutableMatrix.OfMatrix(matrix);
Tolerance = tolerance;
}
