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object DenseMatrix extends Serializable

Factory methods for org.apache.spark.ml.linalg.DenseMatrix.

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@Since( "2.0.0" )
Source
Matrices.scala
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  6. def diag(vector: Vector): DenseMatrix

    Generate a diagonal matrix in DenseMatrix format from the supplied values.

    Generate a diagonal matrix in DenseMatrix format from the supplied values.

    vector

    a Vector that will form the values on the diagonal of the matrix

    returns

    Square DenseMatrix with size values.length x values.length and values on the diagonal

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    @Since( "2.0.0" )
  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: Any): Boolean
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  9. def eye(n: Int): DenseMatrix

    Generate an Identity Matrix in DenseMatrix format.

    Generate an Identity Matrix in DenseMatrix format.

    n

    number of rows and columns of the matrix

    returns

    DenseMatrix with size n x n and values of ones on the diagonal

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    @Since( "2.0.0" )
  10. final def getClass(): Class[_]
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  15. final def notifyAll(): Unit
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  16. def ones(numRows: Int, numCols: Int): DenseMatrix

    Generate a DenseMatrix consisting of ones.

    Generate a DenseMatrix consisting of ones.

    numRows

    number of rows of the matrix

    numCols

    number of columns of the matrix

    returns

    DenseMatrix with size numRows x numCols and values of ones

    Annotations
    @Since( "2.0.0" )
  17. def rand(numRows: Int, numCols: Int, rng: Random): DenseMatrix

    Generate a DenseMatrix consisting of i.i.d. uniform random numbers.

    Generate a DenseMatrix consisting of i.i.d. uniform random numbers.

    numRows

    number of rows of the matrix

    numCols

    number of columns of the matrix

    rng

    a random number generator

    returns

    DenseMatrix with size numRows x numCols and values in U(0, 1)

    Annotations
    @Since( "2.0.0" )
  18. def randn(numRows: Int, numCols: Int, rng: Random): DenseMatrix

    Generate a DenseMatrix consisting of i.i.d. gaussian random numbers.

    Generate a DenseMatrix consisting of i.i.d. gaussian random numbers.

    numRows

    number of rows of the matrix

    numCols

    number of columns of the matrix

    rng

    a random number generator

    returns

    DenseMatrix with size numRows x numCols and values in N(0, 1)

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    @Since( "2.0.0" )
  19. final def synchronized[T0](arg0: ⇒ T0): T0
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  20. def toString(): String
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  24. def zeros(numRows: Int, numCols: Int): DenseMatrix

    Generate a DenseMatrix consisting of zeros.

    Generate a DenseMatrix consisting of zeros.

    numRows

    number of rows of the matrix

    numCols

    number of columns of the matrix

    returns

    DenseMatrix with size numRows x numCols and values of zeros

    Annotations
    @Since( "2.0.0" )

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  1. def finalize(): Unit
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