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# scipy.linalg.blas.dnrm2

`scipy.linalg.blas.``dnrm2`(x[, n, offx, incx]) = <fortran dnrm2>

  Wrapper for `dnrm2`.

  Parameters: | x : input rank-1 array(‘d’) with bounds (*)
  Returns: | n2 : float
  Other Parameters:
  | n : input int, optional Default: (len(x)-offx)/abs(incx) offx : input int, optional Default: 0 incx : input int, optional Default: 1