Class MathNetUtil

Namespace

Hi.Geom

Assembly

HiGeom.dll

Utility class for MathNet.Numerics operations.

public static class MathNetUtil

Inheritance

object

MathNetUtil

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

ClearFloatingZero(Matrix<double>, double)

the elements which the absolute value lower to gap are set to zero.

public static void ClearFloatingZero(Matrix<double> mat, double gap = 1E-07)

Parameters

mat Matrix<double>

target matrix

gap double

gap value

GetCovMatByMultiThread(IList<double[]>, Action<double>, int)

Calculates the covariance matrix for a list of vectors using multi-threading.

public static DenseMatrix GetCovMatByMultiThread(IList<double[]> vecs, Action<double> progressAction = null, int progressTickPerVec = 20)

Parameters

vecs IList<double[]>

The list of vectors to calculate covariance for.

progressAction Action<double>

Optional action to report progress.

progressTickPerVec int

Number of progress ticks per vector processed.

Returns

DenseMatrix

A dense matrix representing the covariance.

GetDiagonalString(Matrix<double>)

Gets a string representation of the diagonal elements of a matrix.

public static string GetDiagonalString(Matrix<double> src)

Parameters

src Matrix<double>

The source matrix to extract diagonal elements from.

Returns

string

A comma-separated string of the diagonal elements with 6 significant digits.

GetInversedWeightMat(Matrix<double>, out int, double, double)

public static Matrix<double> GetInversedWeightMat(Matrix<double> w, out int abandonedIndex, double minGap = 1E-05, double sumTerminate = 0.99999999)

Parameters

w Matrix<double>

abandonedIndex int

abandoned index. Inclusive.

minGap double

sumTerminate double

Returns

Matrix<double>