code: def test_start_stop_array(self):
      start = array([0.0, 1.0])
      stop = array([6.0, 7.0])
      t1 = logspace(start, stop, 6)
      t2 = stack(
          [
              logspace(_start, _stop, 6)
              for _start, _stop in zip(start, stop)
          ],
          axis=1,
      )
      assert_equal(t1, t2)
      t3 = logspace(start, stop[0], 6)
      t4 = stack(
          [logspace(_start, stop[0], 6) for _start in start], axis=1
      )
      assert_equal(t3, t4)
      t5 = logspace(start, stop, 6, axis=-1)
      assert_equal(t5, t2.T)
  
imports: import pytest
  from numpy import logspace, linspace, geomspace, dtype, array, sctypes, arange, isnan, ndarray, sqrt, nextafter, stack, errstate
  from numpy.testing import assert_, assert_equal, assert_raises, assert_array_equal, assert_allclose
label_desc: Use image node_id 2 for calling the TestLogspace obj's underlying member method code with example usage: obj.test_start_stop_array() without return types