object DenseMatrix extends Serializable
Factory methods for org.apache.spark.ml.linalg.DenseMatrix.
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        def
      
      
        diag(vector: Vector): DenseMatrix
      
      
      Generate a diagonal matrix in DenseMatrixformat from the supplied values.Generate a diagonal matrix in DenseMatrixformat from the supplied values.- vector
- a - Vectorthat will form the values on the diagonal of the matrix
- returns
- Square - DenseMatrixwith size- values.lengthx- values.lengthand- valueson the diagonal
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        eye(n: Int): DenseMatrix
      
      
      Generate an Identity Matrix in DenseMatrixformat.Generate an Identity Matrix in DenseMatrixformat.- n
- number of rows and columns of the matrix 
- returns
- DenseMatrixwith size- nx- nand values of ones on the diagonal
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        ones(numRows: Int, numCols: Int): DenseMatrix
      
      
      Generate a DenseMatrixconsisting of ones.Generate a DenseMatrixconsisting of ones.- numRows
- number of rows of the matrix 
- numCols
- number of columns of the matrix 
- returns
- DenseMatrixwith size- numRowsx- numColsand values of ones
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        rand(numRows: Int, numCols: Int, rng: Random): DenseMatrix
      
      
      Generate a DenseMatrixconsisting ofi.i.d.uniform random numbers.Generate a DenseMatrixconsisting ofi.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
- DenseMatrixwith size- numRowsx- numColsand values in U(0, 1)
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        randn(numRows: Int, numCols: Int, rng: Random): DenseMatrix
      
      
      Generate a DenseMatrixconsisting ofi.i.d.gaussian random numbers.Generate a DenseMatrixconsisting ofi.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
- DenseMatrixwith size- numRowsx- numColsand values in N(0, 1)
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        zeros(numRows: Int, numCols: Int): DenseMatrix
      
      
      Generate a DenseMatrixconsisting of zeros.Generate a DenseMatrixconsisting of zeros.- numRows
- number of rows of the matrix 
- numCols
- number of columns of the matrix 
- returns
- DenseMatrixwith size- numRowsx- numColsand values of zeros
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- @Since( "2.0.0" )