Trait

org.apache.spark.mllib.linalg

Matrix

Related Doc: package linalg

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sealed trait Matrix extends Serializable

Trait for a local matrix.

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@SQLUserDefinedType() @Since( "1.0.0" )
Source
Matrices.scala
Linear Supertypes
Serializable, Serializable, AnyRef, Any
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Abstract Value Members

  1. abstract def apply(i: Int, j: Int): Double

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    Gets the (i, j)-th element.

    Gets the (i, j)-th element.

    Annotations
    @Since( "1.3.0" )
  2. abstract def asML: ml.linalg.Matrix

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    Convert this matrix to the new mllib-local representation.

    Convert this matrix to the new mllib-local representation. This does NOT copy the data; it copies references.

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    @Since( "2.0.0" )
  3. abstract def colIter: Iterator[Vector]

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    Returns an iterator of column vectors.

    Returns an iterator of column vectors. This operation could be expensive, depending on the underlying storage.

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    @Since( "2.0.0" )
  4. abstract def copy: Matrix

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    Get a deep copy of the matrix.

    Get a deep copy of the matrix.

    Annotations
    @Since( "1.2.0" )
  5. abstract def numActives: Int

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    Find the number of values stored explicitly.

    Find the number of values stored explicitly. These values can be zero as well.

    Annotations
    @Since( "1.5.0" )
  6. abstract def numCols: Int

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    Number of columns.

    Number of columns.

    Annotations
    @Since( "1.0.0" )
  7. abstract def numNonzeros: Int

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    Find the number of non-zero active values.

    Find the number of non-zero active values.

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    @Since( "1.5.0" )
  8. abstract def numRows: Int

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    Number of rows.

    Number of rows.

    Annotations
    @Since( "1.0.0" )
  9. abstract def transpose: Matrix

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    Transpose the Matrix.

    Transpose the Matrix. Returns a new Matrix instance sharing the same underlying data.

    Annotations
    @Since( "1.3.0" )

Concrete Value Members

  1. final def !=(arg0: Any): Boolean

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    AnyRef → Any
  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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  6. final def eq(arg0: AnyRef): Boolean

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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  9. final def getClass(): Class[_]

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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    Any
  12. val isTransposed: Boolean

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    Flag that keeps track whether the matrix is transposed or not.

    Flag that keeps track whether the matrix is transposed or not. False by default.

    Annotations
    @Since( "1.3.0" )
  13. def multiply(y: Vector): DenseVector

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    Convenience method for Matrix-Vector multiplication.

    Convenience method for Matrix-Vector multiplication.

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    @Since( "1.4.0" )
  14. def multiply(y: DenseVector): DenseVector

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    Convenience method for Matrix-DenseVector multiplication.

    Convenience method for Matrix-DenseVector multiplication. For binary compatibility.

    Annotations
    @Since( "1.2.0" )
  15. def multiply(y: DenseMatrix): DenseMatrix

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    Convenience method for Matrix-DenseMatrix multiplication.

    Convenience method for Matrix-DenseMatrix multiplication.

    Annotations
    @Since( "1.2.0" )
  16. final def ne(arg0: AnyRef): Boolean

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  17. final def notify(): Unit

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    AnyRef
  18. final def notifyAll(): Unit

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    AnyRef
  19. def rowIter: Iterator[Vector]

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    Returns an iterator of row vectors.

    Returns an iterator of row vectors. This operation could be expensive, depending on the underlying storage.

    Annotations
    @Since( "2.0.0" )
  20. final def synchronized[T0](arg0: ⇒ T0): T0

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  21. def toArray: Array[Double]

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    Converts to a dense array in column major.

    Converts to a dense array in column major.

    Annotations
    @Since( "1.0.0" )
  22. def toString(maxLines: Int, maxLineWidth: Int): String

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    A human readable representation of the matrix with maximum lines and width

    A human readable representation of the matrix with maximum lines and width

    Annotations
    @Since( "1.4.0" )
  23. def toString(): String

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    A human readable representation of the matrix

    A human readable representation of the matrix

    Definition Classes
    Matrix → AnyRef → Any
  24. final def wait(): Unit

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    @throws( ... )
  25. final def wait(arg0: Long, arg1: Int): Unit

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    @throws( ... )
  26. final def wait(arg0: Long): Unit

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Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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