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C# GeneralMatrix.LUD方法代码示例

本文整理汇总了C#中DotNetMatrix.GeneralMatrix.LUD方法的典型用法代码示例。如果您正苦于以下问题:C# GeneralMatrix.LUD方法的具体用法?C# GeneralMatrix.LUD怎么用?C# GeneralMatrix.LUD使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在DotNetMatrix.GeneralMatrix的用法示例。


在下文中一共展示了GeneralMatrix.LUD方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: LUDecomposition

 public void LUDecomposition()
 {
     GeneralMatrix A = new GeneralMatrix(columnwise, 4);
     int n = A.ColumnDimension;
     A = A.GetMatrix(0, n - 1, 0, n - 1);
     A.SetElement(0, 0, 0.0);
     LUDecomposition LU = A.LUD();
     Assert.IsTrue(GeneralTests.Check(A.GetMatrix(LU.Pivot, 0, n - 1), LU.L.Multiply(LU.U)));
 }
开发者ID:kriskniaz,项目名称:pCode,代码行数:9,代码来源:LinearAlgebraTests.cs

示例2: Main


//.........这里部分代码省略.........
            }
            catch (System.SystemException e)
            {
                errorCount = try_failure(errorCount, "SingularValueDecomposition...", "incorrect singular value decomposition calculation");
                System.Console.Out.WriteLine(e.Message);
            }
            DEF = new GeneralMatrix(rankdef);
            try
            {
                check(DEF.Rank(), System.Math.Min(DEF.RowDimension, DEF.ColumnDimension) - 1);
                try_success("Rank()...", "");
            }
            catch (System.SystemException e)
            {
                errorCount = try_failure(errorCount, "Rank()...", "incorrect Rank calculation");
                System.Console.Out.WriteLine(e.Message);
            }
            B = new GeneralMatrix(condmat);
            SVD = B.SVD();
            double[] singularvalues = SVD.SingularValues;
            try
            {
                check(B.Condition(), singularvalues[0] / singularvalues[System.Math.Min(B.RowDimension, B.ColumnDimension) - 1]);
                try_success("Condition()...", "");
            }
            catch (System.SystemException e)
            {
                errorCount = try_failure(errorCount, "Condition()...", "incorrect condition number calculation");
                System.Console.Out.WriteLine(e.Message);
            }
            int n = A.ColumnDimension;
            A = A.GetMatrix(0, n - 1, 0, n - 1);
            A.SetElement(0, 0, 0.0);
            LUDecomposition LU = A.LUD();
            try
            {
                check(A.GetMatrix(LU.Pivot, 0, n - 1), LU.L.Multiply(LU.U));
                try_success("LUDecomposition...", "");
            }
            catch (System.SystemException e)
            {
                errorCount = try_failure(errorCount, "LUDecomposition...", "incorrect LU decomposition calculation");
                System.Console.Out.WriteLine(e.Message);
            }
            X = A.Inverse();
            try
            {
                check(A.Multiply(X), GeneralMatrix.Identity(3, 3));
                try_success("Inverse()...", "");
            }
            catch (System.SystemException e)
            {
                errorCount = try_failure(errorCount, "Inverse()...", "incorrect Inverse calculation");
                System.Console.Out.WriteLine(e.Message);
            }
            O = new GeneralMatrix(SUB.RowDimension, 1, 1.0);
            SOL = new GeneralMatrix(sqSolution);
            SQ = SUB.GetMatrix(0, SUB.RowDimension - 1, 0, SUB.RowDimension - 1);
            try
            {
                check(SQ.Solve(SOL), O);
                try_success("Solve()...", "");
            }
            catch (System.ArgumentException e1)
            {
                errorCount = try_failure(errorCount, "Solve()...", e1.Message);
开发者ID:eylvisaker,项目名称:tbsuite,代码行数:67,代码来源:TestMatrix.cs


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