SciPy

scipy.linalg.lapack.zgges

scipy.linalg.lapack.zgges(zselect, a, b[, jobvsl, jobvsr, sort_t, ldvsl, ldvsr, lwork, zselect_extra_args, overwrite_a, overwrite_b]) = <fortran object>

Wrapper for zgges.

Parameters:

zselect : call-back function

a : input rank-2 array(‘D’) with bounds (lda,n)

b : input rank-2 array(‘D’) with bounds (ldb,n)

Returns:

a : rank-2 array(‘D’) with bounds (lda,n)

b : rank-2 array(‘D’) with bounds (ldb,n)

sdim : int

alpha : rank-1 array(‘D’) with bounds (n)

beta : rank-1 array(‘D’) with bounds (n)

vsl : rank-2 array(‘D’) with bounds (ldvsl,n)

vsr : rank-2 array(‘D’) with bounds (ldvsr,n)

work : rank-1 array(‘D’) with bounds (MAX(lwork,1))

info : int

Other Parameters:
 

jobvsl : input int, optional

Default: 1

jobvsr : input int, optional

Default: 1

sort_t : input int, optional

Default: 0

zselect_extra_args : input tuple, optional

Default: ()

overwrite_a : input int, optional

Default: 0

overwrite_b : input int, optional

Default: 0

ldvsl : input int, optional

Default: ((jobvsl==1)?n:1)

ldvsr : input int, optional

Default: ((jobvsr==1)?n:1)

lwork : input int, optional

Default: max(2*n,1)

Notes

Call-back functions:

def zselect(alpha,beta): return zselect
Required arguments:
  alpha : input complex
  beta : input complex
Return objects:
  zselect : int