Class Array2DExtensionMethods

Extension methods based on Array2D

Inheritance
object
Array2DExtensionMethods
Inherited Members
Namespace: TimeSeriesAnalysis
Assembly: TimeSeriesAnalysis.dll
Syntax
public static class Array2DExtensionMethods

Methods

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Convert2DtoJagged(double[,])

Converts a 2d-array to a jagged array

Declaration
public static double[][] Convert2DtoJagged(this double[,] matrix)
Parameters
Type Name Description
double[,] matrix
Returns
Type Description
double[][]
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GetColumn(double[,], int)

returns the column of a 2d-array of doubles corresponding to columnIndex (starts at zero)

Declaration
public static double[] GetColumn(this double[,] matrix, int columnIndex)
Parameters
Type Name Description
double[,] matrix
int columnIndex
Returns
Type Description
double[]
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GetColumn(string[,], int)

returns the column of a 2d-array of strings corresponding to columnIndex (starts at zero)

Declaration
public static string[] GetColumn(this string[,] matrix, int columnIndex)
Parameters
Type Name Description
string[,] matrix
int columnIndex
Returns
Type Description
string[]
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GetColumnParsedAsDateTime(string[,], int, string)

Parses a column in a 2d-array and returns the results as a vector of date-times.

Declaration
public static DateTime[] GetColumnParsedAsDateTime(this string[,] matrix, int columnNumber, string dateFormat)
Parameters
Type Name Description
string[,] matrix
int columnNumber
string dateFormat
Returns
Type Description
DateTime[]
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GetColumns(double[,], int[])

Returns the columns corresponding to columnNumbers as a 2d-array

Declaration
public static double[,] GetColumns(this double[,] matrix, int[] columnNumbers)
Parameters
Type Name Description
double[,] matrix
int[] columnNumbers
Returns
Type Description
double[,]
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GetNColumns(double[,])

Return the number of columns of a 2d-matrix

Declaration
public static int GetNColumns(this double[,] matrix)
Parameters
Type Name Description
double[,] matrix
Returns
Type Description
int
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GetNColumns(double[][])

Get number of columns

Declaration
public static int GetNColumns(this double[][] matrix)
Parameters
Type Name Description
double[][] matrix
Returns
Type Description
int
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GetNRows(double[,])

Return the number of rows of a 2d-matrix

Declaration
public static int GetNRows(this double[,] matrix)
Parameters
Type Name Description
double[,] matrix
Returns
Type Description
int
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GetNRows(double[][])

Get nubmer of rows

Declaration
public static int GetNRows(this double[][] matrix)
Parameters
Type Name Description
double[][] matrix
Returns
Type Description
int
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GetRow(double[,], int)

returns the row of a 2d-array of doubles corresponding to rowNumber (starts at zero)

Declaration
public static double[] GetRow(this double[,] matrix, int rowNumber)
Parameters
Type Name Description
double[,] matrix
int rowNumber
Returns
Type Description
double[]
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GetRow(string[,], int)

returns the row of a 2d-array of strings corresponding to rowNumber (starts at zero)

Declaration
public static string[] GetRow(this string[,] matrix, int rowNumber)
Parameters
Type Name Description
string[,] matrix
int rowNumber
Returns
Type Description
string[]
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GetRowsAfterIndex(DateTime[], int)

Returns rows starting with rowIndex and onwards

Declaration
public static DateTime[] GetRowsAfterIndex(this DateTime[] array, int rowIndex)
Parameters
Type Name Description
DateTime[] array
int rowIndex
Returns
Type Description
DateTime[]
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GetRowsAfterIndex(double[,], int)

Returns rows starting with rowIndex and onwards

Declaration
public static double[,] GetRowsAfterIndex(this double[,] array, int rowIndex)
Parameters
Type Name Description
double[,] array
int rowIndex
Returns
Type Description
double[,]
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GetRowsAfterIndex(double[], int)

Returns rows starting with rowIndex and onwards

Declaration
public static double[] GetRowsAfterIndex(this double[] array, int rowIndex)
Parameters
Type Name Description
double[] array
int rowIndex
Returns
Type Description
double[]
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Transpose(double[,])

Transposes a 2d-matrix.

Declaration
public static double[,] Transpose(this double[,] matrix)
Parameters
Type Name Description
double[,] matrix
Returns
Type Description
double[,]
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WriteColumn(double[,], int, double[])

overwrites the column in matrix with the new column newColumnValues

Declaration
public static double[,] WriteColumn(this double[,] matrix, int colIdx, double[] newColumnValues)
Parameters
Type Name Description
double[,] matrix
int colIdx
double[] newColumnValues
Returns
Type Description
double[,]