Package org.ejml.dense.block

Class MatrixOps_FDRB

java.lang.Object
org.ejml.dense.block.MatrixOps_FDRB
@Generated("org.ejml.dense.block.MatrixOps_DDRB") public class MatrixOps_FDRB extends Object
Various operations on FMatrixRBlock.

  • Constructor Summary

    Constructors
    Constructor
    Description
    MatrixOps_FDRB()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    blockAligned(int blockLength, org.ejml.data.FSubmatrixD1 A)
    Checks to see if the submatrix has its boundaries along inner blocks.
    static void
    checkIdenticalShape(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B)
    Checks to see if the two matrices have an identical shape an block size.
    static org.ejml.data.FMatrixRMaj
    convert(org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRMaj dst)
    Converts a row major block matrix into a row major matrix.
    static org.ejml.data.FMatrixRBlock
    convert(org.ejml.data.FMatrixRMaj A)
     
    static org.ejml.data.FMatrixRBlock
    convert(org.ejml.data.FMatrixRMaj A, int blockLength)
     
    static void
    convert(org.ejml.data.FMatrixRMaj src, org.ejml.data.FMatrixRBlock dst)
    Converts a row major matrix into a row major block matrix.
    static void
    convertBlockToRow(int numRows, int numCols, int blockLength, float[] data, @Nullable org.ejml.data.FGrowArray workspace)
    Converts matrix data stored is a block row major format into a row major format in place.
    static org.ejml.data.FMatrixRMaj
    convertInplace(org.ejml.data.FMatrixRBlock src, @Nullable org.ejml.data.FMatrixRMaj dst, @Nullable org.ejml.data.FGrowArray workspace)
    Converts a row major block matrix into a row major matrix.
    static org.ejml.data.FMatrixRBlock
    convertInplace(org.ejml.data.FMatrixRMaj src, @Nullable org.ejml.data.FMatrixRBlock dst, @Nullable org.ejml.data.FGrowArray workspace)
    Converts a row major matrix into a row major block matrix.
    static void
    convertRowToBlock(int numRows, int numCols, int blockLength, float[] data, @Nullable org.ejml.data.FGrowArray workspace)
    Converts matrix data stored is a row major format into a block row major format in place.
    static void
    convertTranSrc(org.ejml.data.FMatrixRMaj src, org.ejml.data.FMatrixRBlock dst)
    Converts the transpose of a row major matrix into a row major block matrix.
    static void
    copyTriangle(boolean upper, org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRBlock dst)
    Copies either the upper or lower triangular portion of src into dst.
    static org.ejml.data.FMatrixRBlock
    createRandom(int numRows, int numCols, float min, float max, Random rand)
     
    static org.ejml.data.FMatrixRBlock
    createRandom(int numRows, int numCols, float min, float max, Random rand, int blockLength)
     
    static void
    extractAligned(org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRBlock dst)
    Extracts a matrix from src into dst.
    static org.ejml.data.FMatrixRBlock
    identity(int numRows, int numCols, int blockLength)
    Returns a new matrix with ones along the diagonal and zeros everywhere else.
    static boolean
    isEquals(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B)
     
    static boolean
    isEquals(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, float tol)
     
    static void
    mult(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)
     
    static void
    multTransA(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)
     
    static void
    multTransB(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)
     
    static void
    set(org.ejml.data.FMatrixRBlock A, float value)
    Sets every element in the matrix to the specified value.

    aij = value
    static void
    setIdentity(org.ejml.data.FMatrixRBlock A)
    Sets the value of A to all zeros except along the diagonal.
    static org.ejml.data.FMatrixRBlock
    transpose(org.ejml.data.FMatrixRBlock A, @Nullable org.ejml.data.FMatrixRBlock A_tran)
    Transposes a block matrix.
    static void
    zeroTriangle(boolean upper, org.ejml.data.FMatrixRBlock A)
    Sets either the upper or low triangle of a matrix to zero

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • MatrixOps_FDRB

      public MatrixOps_FDRB()

  • Method Details

    • convert

      public static void convert(org.ejml.data.FMatrixRMaj src, org.ejml.data.FMatrixRBlock dst)
      Converts a row major matrix into a row major block matrix.
      Parameters:
      src - Original FMatrixRMaj. Not modified.
      dst - Equivalent FMatrixRBlock. Modified.

    • convertInplace

      public static org.ejml.data.FMatrixRBlock convertInplace(org.ejml.data.FMatrixRMaj src, @Nullable @Nullable org.ejml.data.FMatrixRBlock dst, @Nullable @Nullable org.ejml.data.FGrowArray workspace)
      Converts a row major matrix into a row major block matrix. Both matrices will contain the same data array. Useful when you wish to avoid declaring two large matrices.
      Parameters:
      src - Original FMatrixRMaj. Modified.
      dst - Equivalent FMatrixRBlock. Modified.

    • convertRowToBlock

      public static void convertRowToBlock(int numRows, int numCols, int blockLength, float[] data, @Nullable @Nullable org.ejml.data.FGrowArray workspace)

      Converts matrix data stored is a row major format into a block row major format in place.

      Parameters:
      numRows - number of rows in the matrix.
      numCols - number of columns in the matrix.
      blockLength - Block size in the converted matrix.
      data - Matrix data in a row-major format. Modified.
      workspace - Optional internal workspace. Nullable.

    • convert

      public static org.ejml.data.FMatrixRMaj convert(org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRMaj dst)
      Converts a row major block matrix into a row major matrix.
      Parameters:
      src - Original FMatrixRBlock.. Not modified.
      dst - Equivalent FMatrixRMaj. Modified.

    • convertInplace

      public static org.ejml.data.FMatrixRMaj convertInplace(org.ejml.data.FMatrixRBlock src, @Nullable @Nullable org.ejml.data.FMatrixRMaj dst, @Nullable @Nullable org.ejml.data.FGrowArray workspace)
      Converts a row major block matrix into a row major matrix. Both matrices will contain the same data array. Useful when you wish to avoid declaring two large matrices.
      Parameters:
      src - Original FMatrixRBlock. Modified.
      dst - Equivalent FMatrixRMaj. Modified.

    • convertBlockToRow

      public static void convertBlockToRow(int numRows, int numCols, int blockLength, float[] data, @Nullable @Nullable org.ejml.data.FGrowArray workspace)

      Converts matrix data stored is a block row major format into a row major format in place.

      Parameters:
      numRows - number of rows in the matrix.
      numCols - number of columns in the matrix.
      blockLength - Block size in the converted matrix.
      data - Matrix data in a block row-major format. Modified.
      workspace - Optional internal workspace. Nullable.

    • convertTranSrc

      public static void convertTranSrc(org.ejml.data.FMatrixRMaj src, org.ejml.data.FMatrixRBlock dst)
      Converts the transpose of a row major matrix into a row major block matrix.
      Parameters:
      src - Original FMatrixRMaj. Not modified.
      dst - Equivalent FMatrixRBlock. Modified.

    • mult

      public static void mult(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)

    • multTransA

      public static void multTransA(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)

    • multTransB

      public static void multTransB(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, org.ejml.data.FMatrixRBlock C)

    • transpose

      public static org.ejml.data.FMatrixRBlock transpose(org.ejml.data.FMatrixRBlock A, @Nullable @Nullable org.ejml.data.FMatrixRBlock A_tran)
      Transposes a block matrix.
      Parameters:
      A - Original matrix. Not modified.
      A_tran - Transposed matrix. Modified.

    • createRandom

      public static org.ejml.data.FMatrixRBlock createRandom(int numRows, int numCols, float min, float max, Random rand)

    • createRandom

      public static org.ejml.data.FMatrixRBlock createRandom(int numRows, int numCols, float min, float max, Random rand, int blockLength)

    • convert

      public static org.ejml.data.FMatrixRBlock convert(org.ejml.data.FMatrixRMaj A, int blockLength)

    • convert

      public static org.ejml.data.FMatrixRBlock convert(org.ejml.data.FMatrixRMaj A)

    • isEquals

      public static boolean isEquals(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B)

    • isEquals

      public static boolean isEquals(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B, float tol)

    • zeroTriangle

      public static void zeroTriangle(boolean upper, org.ejml.data.FMatrixRBlock A)
      Sets either the upper or low triangle of a matrix to zero

    • copyTriangle

      public static void copyTriangle(boolean upper, org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRBlock dst)
      Copies either the upper or lower triangular portion of src into dst. Dst can be smaller than src.
      Parameters:
      upper - If the upper or lower triangle is copied.
      src - The source matrix. Not modified.
      dst - The destination matrix. Modified.

    • set

      public static void set(org.ejml.data.FMatrixRBlock A, float value)

      Sets every element in the matrix to the specified value.

      aij = value

      Parameters:
      A - A matrix whose elements are about to be set. Modified.
      value - The value each element will have.

    • setIdentity

      public static void setIdentity(org.ejml.data.FMatrixRBlock A)

      Sets the value of A to all zeros except along the diagonal.

      Parameters:
      A - Block matrix.

    • identity

      public static org.ejml.data.FMatrixRBlock identity(int numRows, int numCols, int blockLength)

      Returns a new matrix with ones along the diagonal and zeros everywhere else.

      Parameters:
      numRows - Number of rows.
      numCols - NUmber of columns.
      blockLength - Block length.
      Returns:
      An identify matrix.

    • checkIdenticalShape

      public static void checkIdenticalShape(org.ejml.data.FMatrixRBlock A, org.ejml.data.FMatrixRBlock B)

      Checks to see if the two matrices have an identical shape an block size.

      Parameters:
      A - Matrix.
      B - Matrix.

    • extractAligned

      public static void extractAligned(org.ejml.data.FMatrixRBlock src, org.ejml.data.FMatrixRBlock dst)

      Extracts a matrix from src into dst. The submatrix which is copied has its initial coordinate at (0,0) and ends at (dst.numRows,dst.numCols). The end rows/columns must be aligned along blocks or else it will silently screw things up.

      Parameters:
      src - Matrix which a submatrix is being extracted from. Not modified.
      dst - Where the submatrix is written to. Its rows and columns be less than or equal to 'src'. Modified.

    • blockAligned

      public static boolean blockAligned(int blockLength, org.ejml.data.FSubmatrixD1 A)
      Checks to see if the submatrix has its boundaries along inner blocks.
      Parameters:
      blockLength - Size of an inner block.
      A - Submatrix.
      Returns:
      If it is block aligned or not.