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# scipy.linalg.lapack.zhegvx

`scipy.linalg.lapack.``zhegvx`(a, b, iu[, itype, jobz, uplo, il, lwork, overwrite_a, overwrite_b]) = <fortran object>

  Wrapper for `zhegvx`.

  Parameters: | a : input rank-2 array(‘D’) with bounds (n,n) b : input rank-2 array(‘D’) with bounds (n,n) iu : input int
  Returns: | w : rank-1 array(‘d’) with bounds (n) z : rank-2 array(‘D’) with bounds (n,m) ifail : rank-1 array(‘i’) with bounds (n) info : int
  Other Parameters:

  itype : input int, optional

  > Default: 1

  jobz : input string(len=1), optional

  > Default: ‘V’

  uplo : input string(len=1), optional

  > Default: ‘L’

  overwrite_a : input int, optional

  > Default: 0

  overwrite_b : input int, optional

  > Default: 0

  il : input int, optional

  > Default: 1

  lwork : input int, optional

  > Default: 18*n-1