Package org.ejml.dense.row

Class CommonOps_MT_DDRM

java.lang.Object
org.ejml.dense.row.CommonOps_MT_DDRM
public class CommonOps_MT_DDRM
extends java.lang.Object
Functions from CommonOps_DDRM with concurrent implementations.

  • Constructor Summary

    Constructors 
    Constructor Description
    CommonOps_MT_DDRM()  

  • Method Summary

    Modifier and Type Method Description
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 mult​(double alpha, T a, T b, T output)
    Performs the following operation:

    c = α * a * b

    cij = α ∑k=1:n { * aik * bkj}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 mult​(T a, T b, T output)
    Performs the following operation:

    c = a * b

    cij = ∑k=1:n { aik * bkj}
    static void multAdd​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + α * a * b
    cij = cij + α * ∑k=1:n { aik * bkj}
    static void multAdd​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + a * b
    cij = cij + ∑k=1:n { aik * bkj}
    static void multAddTransA​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + α * aT * b
    cij =cij + α * ∑k=1:n { aki * bkj}
    static void multAddTransA​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + aT * b
    cij = cij + ∑k=1:n { aki * bkj}
    static void multAddTransAB​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + α * aT * bT
    cij = cij + α * ∑k=1:n { aki * bjk}
    static void multAddTransAB​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + aT * bT
    cij = cij + ∑k=1:n { aki * bjk}
    static void multAddTransB​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + α * a * bT
    cij = cij + α * ∑k=1:n { aik * bjk}
    static void multAddTransB​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)
    Performs the following operation:

    c = c + a * bT
    cij = cij + ∑k=1:n { aik * bjk}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransA​(double alpha, T a, T b, T output)
    Performs the following operation:

    c = α * aT * b

    cij = α ∑k=1:n { aki * bkj}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransA​(T a, T b, T output)
    Performs the following operation:

    c = aT * b

    cij = ∑k=1:n { aki * bkj}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransAB​(double alpha, T a, T b, T output)
    Performs the following operation:

    c = α * aT * bT
    cij = α ∑k=1:n { aki * bjk}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransAB​(T a, T b, T output)
    Performs the following operation:

    c = aT * bT
    cij = ∑k=1:n { aki * bjk}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransB​(double alpha, T a, T b, T output)
    Performs the following operation:

    c = α * a * bT
    cij = α ∑k=1:n { aik * bjk}
    static <T extends org.ejml.data.DMatrix1Row>
    T    		 multTransB​(T a, T b, T output)
    Performs the following operation:

    c = a * bT
    cij = ∑k=1:n { aik * bjk}
    static void transpose​(org.ejml.data.DMatrixRMaj mat)
    Performs an "in-place" transpose.
    static org.ejml.data.DMatrixRMaj transpose​(org.ejml.data.DMatrixRMaj A, @Nullable org.ejml.data.DMatrixRMaj A_tran)
    Transposes matrix 'a' and stores the results in 'b':

    bij = aji
    where 'b' is the transpose of 'a'.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • mult

      public static <T extends org.ejml.data.DMatrix1Row> T mult​(T a, T b, @Nullable T output)

      Performs the following operation:

      c = a * b

      cij = ∑k=1:n { aik * bkj}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • mult

      public static <T extends org.ejml.data.DMatrix1Row> T mult​(double alpha, T a, T b, @Nullable T output)

      Performs the following operation:

      c = α * a * b

      cij = α ∑k=1:n { * aik * bkj}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransA

      public static <T extends org.ejml.data.DMatrix1Row> T multTransA​(T a, T b, @Nullable T output)

      Performs the following operation:

      c = aT * b

      cij = ∑k=1:n { aki * bkj}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransA

      public static <T extends org.ejml.data.DMatrix1Row> T multTransA​(double alpha, T a, T b, @Nullable T output)

      Performs the following operation:

      c = α * aT * b

      cij = α ∑k=1:n { aki * bkj}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransB

      public static <T extends org.ejml.data.DMatrix1Row> T multTransB​(T a, T b, @Nullable T output)

      Performs the following operation:

      c = a * bT
      cij = ∑k=1:n { aik * bjk}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransB

      public static <T extends org.ejml.data.DMatrix1Row> T multTransB​(double alpha, T a, T b, @Nullable T output)

      Performs the following operation:

      c = α * a * bT
      cij = α ∑k=1:n { aik * bjk}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransAB

      public static <T extends org.ejml.data.DMatrix1Row> T multTransAB​(T a, T b, @Nullable T output)

      Performs the following operation:

      c = aT * bT
      cij = ∑k=1:n { aki * bjk}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multTransAB

      public static <T extends org.ejml.data.DMatrix1Row> T multTransAB​(double alpha, T a, T b, @Nullable T output)

      Performs the following operation:

      c = α * aT * bT
      cij = α ∑k=1:n { aki * bjk}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      output - Where the results of the operation are stored. Modified.

    • multAdd

      public static void multAdd​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + a * b
      cij = cij + ∑k=1:n { aik * bkj}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAdd

      public static void multAdd​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + α * a * b
      cij = cij + α * ∑k=1:n { aik * bkj}

      Parameters:
      alpha - scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransA

      public static void multAddTransA​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + aT * b
      cij = cij + ∑k=1:n { aki * bkj}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransA

      public static void multAddTransA​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + α * aT * b
      cij =cij + α * ∑k=1:n { aki * bkj}

      Parameters:
      alpha - scaling factor
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransB

      public static void multAddTransB​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + a * bT
      cij = cij + ∑k=1:n { aik * bjk}

      Parameters:
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransB

      public static void multAddTransB​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + α * a * bT
      cij = cij + α * ∑k=1:n { aik * bjk}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not modified.
      b - The right matrix in the multiplication operation. Not modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransAB

      public static void multAddTransAB​(org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + aT * bT
      cij = cij + ∑k=1:n { aki * bjk}

      Parameters:
      a - The left matrix in the multiplication operation. Not Modified.
      b - The right matrix in the multiplication operation. Not Modified.
      c - Where the results of the operation are stored. Modified.

    • multAddTransAB

      public static void multAddTransAB​(double alpha, org.ejml.data.DMatrix1Row a, org.ejml.data.DMatrix1Row b, org.ejml.data.DMatrix1Row c)

      Performs the following operation:

      c = c + α * aT * bT
      cij = cij + α * ∑k=1:n { aki * bjk}

      Parameters:
      alpha - Scaling factor.
      a - The left matrix in the multiplication operation. Not Modified.
      b - The right matrix in the multiplication operation. Not Modified.
      c - Where the results of the operation are stored. Modified.

    • transpose

      public static void transpose​(org.ejml.data.DMatrixRMaj mat)

      Performs an "in-place" transpose.

      For square matrices the transpose is truly in-place and does not require additional memory. For non-square matrices, internally a temporary matrix is declared and transpose(DMatrixRMaj, DMatrixRMaj) is invoked.

      Parameters:
      mat - The matrix that is to be transposed. Modified.

    • transpose

      public static org.ejml.data.DMatrixRMaj transpose​(org.ejml.data.DMatrixRMaj A, @Nullable @Nullable org.ejml.data.DMatrixRMaj A_tran)

      Transposes matrix 'a' and stores the results in 'b':

      bij = aji
      where 'b' is the transpose of 'a'.

      Parameters:
      A - The original matrix. Not modified.
      A_tran - Where the transpose is stored. If null a new matrix is created. Modified.
      Returns:
      The transposed matrix.