sealed trait Matrix extends Serializable
Trait for a local matrix.
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- @SQLUserDefinedType() @Since( "1.0.0" )
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- Matrices.scala
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abstract
def
apply(i: Int, j: Int): Double
Gets the (i, j)-th element.
Gets the (i, j)-th element.
- Annotations
- @Since( "1.3.0" )
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abstract
def
asML: ml.linalg.Matrix
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" )
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abstract
def
colIter: Iterator[Vector]
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" )
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abstract
def
copy: Matrix
Get a deep copy of the matrix.
Get a deep copy of the matrix.
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- @Since( "1.2.0" )
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abstract
def
numActives: Int
Find the number of values stored explicitly.
Find the number of values stored explicitly. These values can be zero as well.
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- @Since( "1.5.0" )
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abstract
def
numCols: Int
Number of columns.
Number of columns.
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- @Since( "1.0.0" )
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abstract
def
numNonzeros: Int
Find the number of non-zero active values.
Find the number of non-zero active values.
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- @Since( "1.5.0" )
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abstract
def
numRows: Int
Number of rows.
Number of rows.
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- @Since( "1.0.0" )
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abstract
def
transpose: Matrix
Transpose the Matrix.
Transpose the Matrix. Returns a new
Matrix
instance sharing the same underlying data.- Annotations
- @Since( "1.3.0" )
Concrete Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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val
isTransposed: Boolean
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" )
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def
multiply(y: Vector): DenseVector
Convenience method for
Matrix
-Vector
multiplication.Convenience method for
Matrix
-Vector
multiplication.- Annotations
- @Since( "1.4.0" )
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def
multiply(y: DenseVector): DenseVector
Convenience method for
Matrix
-DenseVector
multiplication.Convenience method for
Matrix
-DenseVector
multiplication. For binary compatibility.- Annotations
- @Since( "1.2.0" )
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def
multiply(y: DenseMatrix): DenseMatrix
Convenience method for
Matrix
-DenseMatrix
multiplication.Convenience method for
Matrix
-DenseMatrix
multiplication.- Annotations
- @Since( "1.2.0" )
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
rowIter: Iterator[Vector]
Returns an iterator of row vectors.
Returns an iterator of row vectors. This operation could be expensive, depending on the underlying storage.
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- @Since( "2.0.0" )
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toArray: Array[Double]
Converts to a dense array in column major.
Converts to a dense array in column major.
- Annotations
- @Since( "1.0.0" )
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def
toString(maxLines: Int, maxLineWidth: Int): String
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" )
-
def
toString(): String
A human readable representation of the matrix
A human readable representation of the matrix
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- Matrix → AnyRef → Any
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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