Package com.macrofocus.high_d.mds.tsne

Class AbstractMatrixOperations

java.lang.Object
com.macrofocus.high_d.mds.tsne.AbstractMatrixOperations
All Implemented Interfaces:
MatrixOperations
Direct Known Subclasses:
DefaultMatrixOperations
public abstract class AbstractMatrixOperations extends Object implements MatrixOperations

  • Nested Class Summary

    Nested classes/interfaces inherited from interface com.macrofocus.high_d.mds.tsne.MatrixOperations

    MatrixOperations.MatrixOp

  • Constructor Summary

    Constructors
    Constructor
    Description
    AbstractMatrixOperations()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    double[][]
    abs(boolean[][] booleans)
     
    double[][]
    addColumnVector(double[][] matrix, double[][] colvector)
     
    double[][]
    addRowVector(double[][] matrix, double[][] rowvector)
     
    void
    assignAllLessThan(double[][] matrix, double lessthan, double assign)
    All values in matrix that is less than lessthan is assigned the value assign
    void
    assignAtIndex(double[][] num, int[] range, int[] range1, double value)
     
    void
    assignValuesToRow(double[][] matrix, int row, int[] indicies, double[] values)
     
    boolean[][]
    biggerThan(double[][] matrix, double value)
    Returns a new matrix of booleans where true is set if the value in the matrix is bigger than value
    int[]
    concatenate(int[] v1, int[] v2)
     
    double[][]
    diag(double[][] ds)
     
    boolean[][]
    equal(boolean[][] matrix1, boolean[][] matrix2)
    Returns a new matrix of booleans where true is set if the values to the two matrices are the same at that index
    double[][]
    exp(double[][] v1)
    Destructively sets the values in matrix to its exponentiated value
    double[][]
    fillMatrix(int rows, int cols, double fillvalue)
     
    double[][]
    getValuesFromRow(double[][] matrix, int row, int[] indicies)
     
    double[][]
    maximum(double[][] matrix, double maxval)
    Return a new matrix with the max value of either the value in the matrix or maxval otherwise
    double[][]
    mean(double[][] matrix, int axis)
     
    boolean[][]
    negate(boolean[][] booleans)
    Returns new matrix with booleans which are the negations of the input
    double[][]
    plus(double[][] m1, double[][] m2)
     
    int[]
    range(int n)
     
    int[]
    range(int a, int b)
     
    double[][]
    rnorm(int m, int n)
    Returns new 2D matrix with normal random values with mean 0 and std.
    double[][]
    scalarDivide(double[][] numerator, double denom)
     
    double[][]
    scalarInverse(double[][] m1)
    Returns scalar inverse of matrix
    double[][]
    scalarMult(double[][] m1, double mul)
     
    double[][]
    scalarPlus(double[][] m1, double m2)
     
    double[][]
    scalarPow(double[][] matrix, double power)
     
    double[][]
    square(double[][] matrix)
    Returns a new matrix with the values of matrix squared
    double
    sum(double[][] matrix)
    Returns sum of all values in the matrix
    double[][]
    sum(double[][] matrix, int axis)
     
    double[][]
    tile(double[][] matrix, int rowtimes, int coltimes)
     
    double[][]
    times(double[][] a, double[][] b)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface com.macrofocus.high_d.mds.tsne.MatrixOperations

    dnrom, minus, scalarMultiply, transpose

  • Constructor Details

    • AbstractMatrixOperations

      public AbstractMatrixOperations()

  • Method Details

    • mean

      public double[][] mean(double[][] matrix, int axis)
      Specified by:
      mean in interface MatrixOperations

    • exp

      public double[][] exp(double[][] v1)
      Description copied from interface: MatrixOperations
      Destructively sets the values in matrix to its exponentiated value
      Specified by:
      exp in interface MatrixOperations
      Returns:
      same matrix with values exponentiated

    • scalarInverse

      public double[][] scalarInverse(double[][] m1)
      Description copied from interface: MatrixOperations
      Returns scalar inverse of matrix
      Specified by:
      scalarInverse in interface MatrixOperations

    • rnorm

      public double[][] rnorm(int m, int n)
      Description copied from interface: MatrixOperations
      Returns new 2D matrix with normal random values with mean 0 and std. dev 1
      Specified by:
      rnorm in interface MatrixOperations

    • equal

      public boolean[][] equal(boolean[][] matrix1, boolean[][] matrix2)
      Description copied from interface: MatrixOperations
      Returns a new matrix of booleans where true is set if the values to the two matrices are the same at that index
      Specified by:
      equal in interface MatrixOperations
      Returns:
      new matrix with booelans with values matrix1[i,j] == matrix2[i,j]

    • biggerThan

      public boolean[][] biggerThan(double[][] matrix, double value)
      Description copied from interface: MatrixOperations
      Returns a new matrix of booleans where true is set if the value in the matrix is bigger than value
      Specified by:
      biggerThan in interface MatrixOperations
      Returns:
      new matrix with booelans with values matrix1[i,j] == matrix2[i,j]

    • negate

      public boolean[][] negate(boolean[][] booleans)
      Description copied from interface: MatrixOperations
      Returns new matrix with booleans which are the negations of the input
      Specified by:
      negate in interface MatrixOperations

    • abs

      public double[][] abs(boolean[][] booleans)
      Specified by:
      abs in interface MatrixOperations

    • sum

      public double[][] sum(double[][] matrix, int axis)
      Specified by:
      sum in interface MatrixOperations

    • sum

      public double sum(double[][] matrix)
      Description copied from interface: MatrixOperations
      Returns sum of all values in the matrix
      Specified by:
      sum in interface MatrixOperations

    • maximum

      public double[][] maximum(double[][] matrix, double maxval)
      Description copied from interface: MatrixOperations
      Return a new matrix with the max value of either the value in the matrix or maxval otherwise
      Specified by:
      maximum in interface MatrixOperations

    • assignAllLessThan

      public void assignAllLessThan(double[][] matrix, double lessthan, double assign)
      Description copied from interface: MatrixOperations
      All values in matrix that is less than lessthan is assigned the value assign
      Specified by:
      assignAllLessThan in interface MatrixOperations

    • square

      public double[][] square(double[][] matrix)
      Description copied from interface: MatrixOperations
      Returns a new matrix with the values of matrix squared
      Specified by:
      square in interface MatrixOperations

    • scalarPow

      public double[][] scalarPow(double[][] matrix, double power)
      Specified by:
      scalarPow in interface MatrixOperations

    • addColumnVector

      public double[][] addColumnVector(double[][] matrix, double[][] colvector)
      Specified by:
      addColumnVector in interface MatrixOperations

    • addRowVector

      public double[][] addRowVector(double[][] matrix, double[][] rowvector)
      Specified by:
      addRowVector in interface MatrixOperations

    • tile

      public double[][] tile(double[][] matrix, int rowtimes, int coltimes)
      Specified by:
      tile in interface MatrixOperations

    • range

      public int[] range(int n)
      Specified by:
      range in interface MatrixOperations

    • range

      public int[] range(int a, int b)
      Specified by:
      range in interface MatrixOperations

    • concatenate

      public int[] concatenate(int[] v1, int[] v2)
      Specified by:
      concatenate in interface MatrixOperations

    • assignAtIndex

      public void assignAtIndex(double[][] num, int[] range, int[] range1, double value)
      Specified by:
      assignAtIndex in interface MatrixOperations

    • getValuesFromRow

      public double[][] getValuesFromRow(double[][] matrix, int row, int[] indicies)
      Specified by:
      getValuesFromRow in interface MatrixOperations

    • assignValuesToRow

      public void assignValuesToRow(double[][] matrix, int row, int[] indicies, double[] values)
      Specified by:
      assignValuesToRow in interface MatrixOperations

    • fillMatrix

      public double[][] fillMatrix(int rows, int cols, double fillvalue)
      Specified by:
      fillMatrix in interface MatrixOperations

    • plus

      public double[][] plus(double[][] m1, double[][] m2)
      Specified by:
      plus in interface MatrixOperations

    • scalarPlus

      public double[][] scalarPlus(double[][] m1, double m2)
      Specified by:
      scalarPlus in interface MatrixOperations

    • scalarDivide

      public double[][] scalarDivide(double[][] numerator, double denom)
      Specified by:
      scalarDivide in interface MatrixOperations

    • scalarMult

      public double[][] scalarMult(double[][] m1, double mul)
      Specified by:
      scalarMult in interface MatrixOperations

    • times

      public double[][] times(double[][] a, double[][] b)
      Specified by:
      times in interface MatrixOperations

    • diag

      public double[][] diag(double[][] ds)
      Specified by:
      diag in interface MatrixOperations