Module: Colt::MatrixFloatingAlgebra

Included in:
DoubleMDMatrix1D, DoubleMDMatrix2D, FloatMDMatrix1D, FloatMDMatrix2D
Defined in:
lib/colt/matrix/algebra.rb

Instance Method Summary collapse

Instance Method Details

#kron(matrix) ⇒ Object

Computes the Kronecker product of two real matrices.



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# File 'lib/colt/matrix/algebra.rb', line 131

def kron(matrix)
  result = @colt_algebra.kron(@colt_matrix, matrix.colt_matrix)
  MDMatrix.from_colt_matrix(result)
end

#norm1 ⇒ Object

Returns the one-norm of vector x, which is Sum(abs(x)).



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# File 'lib/colt/matrix/algebra.rb', line 140

def norm1
  @colt_algebra.norm1(@colt_matrix)
end

#norm2 ⇒ Object

Returns the two-norm of matrix A, which is the maximum singular value; obtained from SVD.



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# File 'lib/colt/matrix/algebra.rb', line 149

def norm2
  @colt_algebra.norm2(@colt_matrix)
end

#norm_infinity ⇒ Object

Returns the infinity norm of matrix A, which is the maximum absolute row sum.



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# File 'lib/colt/matrix/algebra.rb', line 165

def norm_infinity
  @colt_algebra.normInfinity(@colt_matrix)
end

#normF ⇒ Object

Returns the Frobenius norm of matrix A, which is Sqrt(Sum(A^2))



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# File 'lib/colt/matrix/algebra.rb', line 157

def normF
  @colt_algebra.normF(@colt_matrix)
end