/// <summary>
/// 合并，产生新的。
/// </summary>
/// <param name="linesA"></param>
/// <param name="linesB"></param>
/// <returns></returns>
public static List <MatrixLine> Merge(List <MatrixLine> linesA, List <MatrixLine> linesB)
{
double[][] matrixA = SinexMatrixConvertor.GetMatrixArrayJagged(linesA);
double[][] matrixB = SinexMatrixConvertor.GetMatrixArrayJagged(linesB);
double[][] matrixC = MatrixUtil.BuildMatrix(matrixA, matrixB);
List <MatrixLine> lines = SinexMatrixConvertor.GetMatrixLines(matrixC);
return(lines);
}
/// <summary>
/// 更新标准差
/// </summary>
/// <param name="merge"></param>
/// <param name="SolutionValueBlockMerged"></param>
public static void UpdateStdDev(SolutionMatrixBlock merge, ICollectionBlock <SolutionValue> SolutionValueBlockMerged)
{
//更新标准差
double[] steDevs = SinexMatrixConvertor.GetStdDevs(merge.Items);
int i = 0;
foreach (var item in SolutionValueBlockMerged.Items)
{
item.StdDev = steDevs[i];
i++;
}
}
/// <summary>
/// 合并，产生新的。
/// 乘以协方差系数。 varFactor = NowFactor / OldFactor
/// </summary>
/// <param name="list1"></param>
/// <param name="varFactorA"></param>
/// <param name="list2"></param>
/// <param name="varFactorB"></param>
/// <returns></returns>
public static List <MatrixLine> Merge(List <MatrixLine> linesA, double varFactorA, List <MatrixLine> linesB, double varFactorB)
{
double[][] matrixA = SinexMatrixConvertor.GetMatrixArrayJagged(linesA);
double[][] matrixB = SinexMatrixConvertor.GetMatrixArrayJagged(linesB);
//乘以协方差系数。
MatrixUtil.Multiply(matrixA, varFactorA);
MatrixUtil.Multiply(matrixB, varFactorB);
double[][] matrixC = MatrixUtil.BuildMatrix(matrixA, matrixB);
List <MatrixLine> lines = SinexMatrixConvertor.GetMatrixLines(matrixC);
return(lines);
}
/// <summary>
/// 合并协方差阵，并更新标准差。
/// </summary>
/// <param name="merge"></param>
/// <param name="solutionMatrixBlockA"></param>
/// <param name="varFactorA"></param>
/// <param name="solutionMatrixBlockB"></param>
/// <param name="varFactorB"></param>
/// <param name="SolutionValueBlockMerged"></param>
public static void MergeSolutionMatrix(
SolutionMatrixBlock merge,
SolutionMatrixBlock solutionMatrixBlockA,
double varFactorA,
SolutionMatrixBlock solutionMatrixBlockB,
double varFactorB,
ICollectionBlock <SolutionValue> SolutionValueBlockMerged)
{
if (solutionMatrixBlockA != null && solutionMatrixBlockA.Items.Count != 0)
{
merge.Items =
SinexMatrixConvertor.Merge(
solutionMatrixBlockA.Items, varFactorA,
solutionMatrixBlockB.Items, varFactorB);
UpdateStdDev(merge, SolutionValueBlockMerged);
}
}
/// <summary>
/// 清除非坐标的信息。同时清理对应的矩阵。
/// </summary>
/// <param name="solutionValues"></param>
/// <param name="matrixBlock"></param>
public static void CleanNonCoordSolutionValue(ICollectionBlock <SolutionValue> solutionValues, SolutionMatrixBlock matrixBlock)
{
if (solutionValues == null || solutionValues.Items == null || solutionValues.Items.Count == 0)
{
return;
}
List <int> tobeRemoveIndexes = new List <int>();
int index = 0;
foreach (var item in solutionValues.Items)
{
if (item.ParameterType != ParameterType.STAX &&
item.ParameterType != ParameterType.STAY &&
item.ParameterType != ParameterType.STAZ)
{
tobeRemoveIndexes.Add(index);
}
index++;
}
for (int i = tobeRemoveIndexes.Count - 1; i >= 0; i--)
{
solutionValues.Items.RemoveAt(tobeRemoveIndexes[i]);
}
//清理对应的矩阵
if (matrixBlock == null || matrixBlock.Items.Count == 0)
{
return;
}
double[][] matrix = SinexMatrixConvertor.GetMatrix(matrixBlock.Items);
double[][] cleanedMatrix = MatrixUtil.ShrinkMatrix(matrix, tobeRemoveIndexes);
//更新
matrixBlock.Items = SinexMatrixConvertor.GetMatrixLines(cleanedMatrix);
}
public static SolutionMatrixBlock CreateSolutionMatrixAprioriCova(double[][] matrix)
{
return(CreateSolutionMatrixAprioriCova(SinexMatrixConvertor.GetMatrixLines(matrix)));
}
/// <summary>
/// 法方程系数阵
/// </summary>
/// <returns></returns>
public double[][] GetNormalEquationMatrix()
{
return(SinexMatrixConvertor.GetMatrix(this.SolutionNormalEquationMatrix.Items));
}
/// <summary>
/// 估值协方差阵。
/// </summary>
/// <returns></returns>
public double[][] GetEstimateCovaMatrix()
{
return(SinexMatrixConvertor.GetMatrix(SolutionMatrixEstimateCova.Items));
}
/// <summary>
/// 得到先验协方差阵。
/// </summary>
/// <returns></returns>
public double[][] GetAprioriCovaMatrix()
{
return(SinexMatrixConvertor.GetMatrix(SolutionMatrixAprioriCova.Items));
}