程序包 org.hipparchus.linear

类 EigenDecompositionSymmetricTest

java.lang.Object
org.hipparchus.linear.EigenDecompositionSymmetricTest
public class EigenDecompositionSymmetricTest extends Object

  • 构造器详细资料

    • EigenDecompositionSymmetricTest

      public EigenDecompositionSymmetricTest()

  • 方法详细资料

    • testDimension1

      public void testDimension1()

    • testDimension2

      public void testDimension2()

    • testDimension3

      public void testDimension3()

    • testDimension3MultipleRoot

      public void testDimension3MultipleRoot()

    • testDimension4WithSplit

      public void testDimension4WithSplit()

    • testDimension4WithoutSplit

      public void testDimension4WithoutSplit()

    • testMath308

      public void testMath308()

    • testMathpbx02

      public void testMathpbx02()

    • testMathpbx03

      public void testMathpbx03()

    • testTridiagonal

      public void testTridiagonal()
      测试已处于三对角形式的矩阵。

    • testGitHubIssue30

      public void testGitHubIssue30()

    • testDimensions

      public void testDimensions()
      测试维度

    • testEigenvalues

      public void testEigenvalues()
      测试特征值

    • testSymmetric

      public void testSymmetric()

    • testSquareRoot

      public void testSquareRoot()

    • testSquareRootNonSymmetric

      public void testSquareRootNonSymmetric()

    • testSquareRootNonPositiveDefinite

      public void testSquareRootNonPositiveDefinite()

    • testIsNonSingularTinyOutOfOrderEigenvalue

      public void testIsNonSingularTinyOutOfOrderEigenvalue()

    • testEigenvectors

      public void testEigenvectors()
      测试特征向量

    • testAEqualVDVt

      public void testAEqualVDVt()
      测试 A = VDVt

    • testVOrthogonal

      public void testVOrthogonal()
      测试V是否正交

    • testDiagonal

      public void testDiagonal()
      测试对角矩阵

    • testRepeatedEigenvalue

      public void testRepeatedEigenvalue()
      具有特征值{8, -1, -1}的矩阵

    • testDistinctEigenvalues

      public void testDistinctEigenvalues()
      具有特征值{2, 0, 12}的矩阵

    • testZeroDivide

      public void testZeroDivide()
      验证在不定矩阵上的操作

    • testTinyValues

      public void testTinyValues()
      验证在非常小的值上的操作。具有特征值{2e-100, 0, 12e-100}的矩阵

    • testCustomEpsilon

      public void testCustomEpsilon()
      验证在测试奇异性时是否使用了自定义epsilon值。

    • testSingular

      public void testSingular()

    • testIncreasingOrder

      public void testIncreasingOrder()

    • checkEigenValues

      protected void checkEigenValues(double[] targetValues, EigenDecompositionSymmetric ed, double tolerance)
      验证给定的EigenDecomposition是否具有与目标值等效的特征值，忽略值的顺序并允许值之间存在容差。

    • checkEigenVector

      protected void checkEigenVector(double[] eigenVector, EigenDecompositionSymmetric ed, double tolerance)
      当且仅当eigenVector是ed.getV()的列之一的标量倍数时返回true。不尝试线性组合 - 即，仅应用于查找一维特征空间中的向量。

    • setUp

      public void setUp()

    • tearDown

      public void tearDown()

    • createOrthogonalMatrix

      public static RealMatrix createOrthogonalMatrix(Random r, int size)