C# (CSharp) MathNet.Numerics.Providers.LinearAlgebra.Mkl MklLinearAlgebraProvider.QRFactor Exemples

Exemple #1

Fichier : NumericsMklIterativeSolversTests.cs Projet : constructor-igor/TechSugar

        public void MklProvider()
        {
            MklLinearAlgebraProvider provider = new MklLinearAlgebraProvider();

            var formatProvider = (CultureInfo)CultureInfo.InvariantCulture.Clone();
            formatProvider.TextInfo.ListSeparator = " ";

            var matrix = _matrices["identity"];
            var a = new Complex32[matrix.RowCount * matrix.RowCount];
            Array.Copy(matrix.Values, a, a.Length);

            var tau = new Complex32[matrix.ColumnCount];
            var q = new Complex32[matrix.ColumnCount * matrix.ColumnCount];
            provider.QRFactor(a, matrix.RowCount, matrix.ColumnCount, q, tau);

            var b = new[] { Complex32.One, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f };
            var x = new Complex32[matrix.ColumnCount * 2];
            provider.QRSolveFactored(q, a, matrix.RowCount, matrix.ColumnCount, tau, b, 2, x);
        }