Release 1.1.0

qucontrol · Mar 24, 2020 · fa4c056 · fa4c056
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diff --git a/HISTORY.rst b/HISTORY.rst
@@ -3,13 +3,15 @@ History
 =======
 
 
-(next release)
---------------
+1.1.0 (2020-03-24)
+------------------
 
 * Added: Support for Python 3.8
 * Added: Support for QuTiP 4.5.0
 * Added: Support for parallelization with loky_ (`#72`_)
 * Added: ``krotov.parallelization.set_parallelization`` function
+* Added: ``krotov.parallelization.parallel_map`` function (improved implementation of QuTiP's ``parallel_map``)
+* Added: Ability to use threadpoolctl_ to limit unwanted threading
 * Added: `limit_thread_pool` option to ``krotov.optimize_pulses``
 * Changed: ``krotov.propagators.expm`` now guarantees single-threaded execution
 
@@ -101,6 +103,7 @@ History
 .. _loky: https://loky.readthedocs.io/
 .. _gh-pages: https://qucontrol.github.io/krotov
 .. _Doctr: https://drdoctr.github.io
+.. _threadpoolctl: https://github.com/joblib/threadpoolctl
 .. _@uiofgh: https://github.com/uiofgh
 .. _@TejasAvinashShetty: https://github.com/TejasAvinashShetty
 .. _@timohillmann: https://github.com/timohillmann

diff --git a/README.rst b/README.rst
@@ -27,7 +27,7 @@ Krotov Python Package
    :target: https://opensource.org/licenses/BSD-3-Clause
 .. image:: https://mybinder.org/badge_logo.svg
    :alt: Launch Binder
-   :target: https://mybinder.org/v2/gh/qucontrol/krotov/v1.0.0?filepath=docs%2Fnotebooks
+   :target: https://mybinder.org/v2/gh/qucontrol/krotov/v1.1.0?filepath=docs%2Fnotebooks
 .. image:: https://img.shields.io/badge/DOI-10.21468/SciPostPhys.7.6.080-blue.svg
    :alt: DOI
    :target: https://doi.org/10.21468/SciPostPhys.7.6.080
@@ -43,7 +43,7 @@ Development happens on `Github`_. You can read the full documentation `online`__
 .. _Documentation: https://qucontrol.github.io/krotov
 __ Documentation_
 
-If you use the ``krotov`` package in your research, please `cite it <https://qucontrol.github.io/krotov/v1.0.0/01_overview.html#citing-the-krotov-package>`_.
+If you use the ``krotov`` package in your research, please `cite it <https://qucontrol.github.io/krotov/v1.1.0/01_overview.html#citing-the-krotov-package>`_.
 
 .. _QDYN Fortran library: https://www.qdyn-library.net
 .. _QuTiP: http://qutip.org
@@ -172,11 +172,11 @@ Then,
    number of control fields over all the objectives.
 
 .. |krotov.Objective| replace:: ``krotov.Objective``
-.. _krotov.Objective: https://qucontrol.github.io/krotov/v1.0.0/API/krotov.objectives.html#krotov.objectives.Objective
+.. _krotov.Objective: https://qucontrol.github.io/krotov/v1.1.0/API/krotov.objectives.html#krotov.objectives.Objective
 
 .. |krotov.optimize_pulses| replace:: ``krotov.optimize_pulses``
-.. _krotov.optimize_pulses: https://qucontrol.github.io/krotov/v1.0.0/API/krotov.optimize.html#krotov.optimize.optimize_pulses
+.. _krotov.optimize_pulses: https://qucontrol.github.io/krotov/v1.1.0/API/krotov.optimize.html#krotov.optimize.optimize_pulses
 
-See `Using Krotov with QuTiP <https://qucontrol.github.io/krotov/v1.0.0/08_qutip_usage.html#using-krotov-with-qutip>`_ and `Examples <https://qucontrol.github.io/krotov/v1.0.0/09_examples.html>`_ for details.
+See `Using Krotov with QuTiP <https://qucontrol.github.io/krotov/v1.1.0/08_qutip_usage.html#using-krotov-with-qutip>`_ and `Examples <https://qucontrol.github.io/krotov/v1.1.0/09_examples.html>`_ for details.
 
 .. _Jupyter notebook: https://jupyter.org
diff --git a/binder/environment.yml b/binder/environment.yml
@@ -8,4 +8,4 @@ dependencies:
   - pip:
     - matplotlib
     - watermark
-    - git+https://github.com/qucontrol/krotov.git@master#egg=krotov
+    - krotov==1.1.0
diff --git a/docs/09_examples.rst b/docs/09_examples.rst
@@ -6,7 +6,7 @@ Examples
 
 .. raw:: html
 
-    <a href="http://nbviewer.jupyter.org/github/qucontrol/krotov/blob/master/docs/notebooks" target="_blank"><img alt="Render on nbviewer" src="https://img.shields.io/badge/render%20on-nbviewer-orange.svg" style="vertical-align:text-bottom"></a>&nbsp;<a href="https://mybinder.org/v2/gh/qucontrol/krotov/master?filepath=docs%2Fnotebooks" target="_blank"><img alt="Launch Binder" src="https://mybinder.org/badge_logo.svg" style="vertical-align:text-bottom"></a>
+    <a href="http://nbviewer.jupyter.org/github/qucontrol/krotov/blob/v1.1.0/docs/notebooks" target="_blank"><img alt="Render on nbviewer" src="https://img.shields.io/badge/render%20on-nbviewer-orange.svg" style="vertical-align:text-bottom"></a>&nbsp;<a href="https://mybinder.org/v2/gh/qucontrol/krotov/v1.1.0?filepath=docs%2Fnotebooks" target="_blank"><img alt="Launch Binder" src="https://mybinder.org/badge_logo.svg" style="vertical-align:text-bottom"></a>
 
 .. toctree::
     :maxdepth: 1

diff --git a/docs/_README.patch b/docs/_README.patch
@@ -12,7 +12,7 @@
  .. _Documentation: https://qucontrol.github.io/krotov
  __ Documentation_
 
--If you use the ``krotov`` package in your research, please `cite it <https://qucontrol.github.io/krotov/v1.0.0/01_overview.html#citing-the-krotov-package>`_.
+-If you use the ``krotov`` package in your research, please `cite it <https://qucontrol.github.io/krotov/v1.1.0/01_overview.html#citing-the-krotov-package>`_.
 +If you use the :mod:`krotov` package in your research, please :ref:`cite it <CitingKrotov>`.
 
  .. _QDYN Fortran library: https://www.qdyn-library.net
@@ -55,12 +55,12 @@
     number of control fields over all the objectives.
 
 -.. |krotov.Objective| replace:: ``krotov.Objective``
--.. _krotov.Objective: https://qucontrol.github.io/krotov/v1.0.0/API/krotov.objectives.html#krotov.objectives.Objective
+-.. _krotov.Objective: https://qucontrol.github.io/krotov/v1.1.0/API/krotov.objectives.html#krotov.objectives.Objective
 
 -.. |krotov.optimize_pulses| replace:: ``krotov.optimize_pulses``
--.. _krotov.optimize_pulses: https://qucontrol.github.io/krotov/v1.0.0/API/krotov.optimize.html#krotov.optimize.optimize_pulses
+-.. _krotov.optimize_pulses: https://qucontrol.github.io/krotov/v1.1.0/API/krotov.optimize.html#krotov.optimize.optimize_pulses
 -
--See `Using Krotov with QuTiP <https://qucontrol.github.io/krotov/v1.0.0/08_qutip_usage.html#using-krotov-with-qutip>`_ and `Examples <https://qucontrol.github.io/krotov/v1.0.0/09_examples.html>`_ for details.
+-See `Using Krotov with QuTiP <https://qucontrol.github.io/krotov/v1.1.0/08_qutip_usage.html#using-krotov-with-qutip>`_ and `Examples <https://qucontrol.github.io/krotov/v1.1.0/09_examples.html>`_ for details.
 +See :ref:`using-krotov-with-qutip` and :ref:`krotov-example-notebooks` for details.
 
  .. _Jupyter notebook: https://jupyter.org
diff --git a/docs/build_pdf.py b/docs/build_pdf.py
@@ -42,6 +42,7 @@ def _patch_line(line):
         r'\sphinxurl{krotov\_pseudocode.pdf}',
         r'\url{https://qucontrol.github.io/krotov/master/krotov_pseudocode.pdf}',
     )
+    line = line.replace(r'\sphinxhyphen{}', '-')
     if line.startswith(r'\(\newcommand'):
         return None
     if line == r'\begin{split}\begin{equation}' + "\n":

diff --git a/docs/index.rst b/docs/index.rst
@@ -27,7 +27,7 @@ Welcome to the Krotov package's documentation!
    :target: https://opensource.org/licenses/BSD-3-Clause
 .. image:: https://mybinder.org/badge_logo.svg
    :alt: Launch Binder
-   :target: https://mybinder.org/v2/gh/qucontrol/krotov/v1.0.0?filepath=docs%2Fnotebooks
+   :target: https://mybinder.org/v2/gh/qucontrol/krotov/v1.1.0?filepath=docs%2Fnotebooks
 .. image:: https://img.shields.io/badge/DOI-10.21468/SciPostPhys.7.6.080-blue.svg
    :alt: DOI
    :target: https://doi.org/10.21468/SciPostPhys.7.6.080

diff --git a/docs/notebooks/01_example_simple_state_to_state.ipynb b/docs/notebooks/01_example_simple_state_to_state.ipynb
@@ -26,12 +26,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "scipy            1.3.1\n",
+      "numpy            1.17.2\n",
+      "qutip            4.5.0\n",
       "matplotlib       3.2.1\n",
-      "krotov           1.0.0+dev\n",
-      "qutip            4.4.1\n",
+      "scipy            1.3.1\n",
+      "krotov           1.1.0\n",
       "matplotlib.pylab 1.17.2\n",
-      "numpy            1.17.2\n",
       "CPython 3.7.6\n",
       "IPython 7.13.0\n"
      ]
@@ -531,25 +531,25 @@
      "output_type": "stream",
      "text": [
       "iter.      J_T    ∫gₐ(t)dt          J       ΔJ_T         ΔJ  secs\n",
-      "0     9.51e-01    0.00e+00   9.51e-01        n/a        n/a     0\n",
-      "1     9.24e-01    2.32e-03   9.27e-01  -2.70e-02  -2.47e-02     1\n",
-      "2     8.83e-01    3.53e-03   8.87e-01  -4.11e-02  -3.75e-02     1\n",
-      "3     8.23e-01    5.22e-03   8.28e-01  -6.06e-02  -5.54e-02     1\n",
-      "4     7.38e-01    7.39e-03   7.45e-01  -8.52e-02  -7.78e-02     1\n",
-      "5     6.26e-01    9.75e-03   6.36e-01  -1.11e-01  -1.01e-01     1\n",
-      "6     4.96e-01    1.16e-02   5.07e-01  -1.31e-01  -1.19e-01     1\n",
-      "7     3.62e-01    1.21e-02   3.74e-01  -1.34e-01  -1.22e-01     1\n",
-      "8     2.44e-01    1.09e-02   2.55e-01  -1.18e-01  -1.07e-01     1\n",
-      "9     1.53e-01    8.43e-03   1.62e-01  -9.03e-02  -8.19e-02     1\n",
-      "10    9.20e-02    5.80e-03   9.78e-02  -6.14e-02  -5.56e-02     1\n",
-      "11    5.35e-02    3.66e-03   5.72e-02  -3.85e-02  -3.48e-02     1\n",
-      "12    3.06e-02    2.19e-03   3.28e-02  -2.29e-02  -2.07e-02     1\n",
-      "13    1.73e-02    1.27e-03   1.86e-02  -1.33e-02  -1.20e-02     1\n",
-      "14    9.79e-03    7.24e-04   1.05e-02  -7.55e-03  -6.82e-03     1\n",
-      "15    5.52e-03    4.10e-04   5.93e-03  -4.27e-03  -3.86e-03     1\n",
-      "16    3.11e-03    2.31e-04   3.35e-03  -2.41e-03  -2.18e-03     1\n",
-      "17    1.76e-03    1.30e-04   1.89e-03  -1.36e-03  -1.23e-03     1\n",
-      "18    9.92e-04    7.36e-05   1.07e-03  -7.65e-04  -6.91e-04     1\n"
+      "0     9.51e-01    0.00e+00   9.51e-01        n/a        n/a     2\n",
+      "1     9.24e-01    2.32e-03   9.27e-01  -2.70e-02  -2.47e-02     4\n",
+      "2     8.83e-01    3.53e-03   8.87e-01  -4.11e-02  -3.75e-02     4\n",
+      "3     8.23e-01    5.22e-03   8.28e-01  -6.06e-02  -5.54e-02     4\n",
+      "4     7.38e-01    7.39e-03   7.45e-01  -8.52e-02  -7.78e-02     5\n",
+      "5     6.26e-01    9.75e-03   6.36e-01  -1.11e-01  -1.01e-01     4\n",
+      "6     4.96e-01    1.16e-02   5.07e-01  -1.31e-01  -1.19e-01     4\n",
+      "7     3.62e-01    1.21e-02   3.74e-01  -1.34e-01  -1.22e-01     5\n",
+      "8     2.44e-01    1.09e-02   2.55e-01  -1.18e-01  -1.07e-01     4\n",
+      "9     1.53e-01    8.43e-03   1.62e-01  -9.03e-02  -8.19e-02     3\n",
+      "10    9.20e-02    5.80e-03   9.78e-02  -6.14e-02  -5.56e-02     4\n",
+      "11    5.35e-02    3.66e-03   5.72e-02  -3.85e-02  -3.48e-02     3\n",
+      "12    3.06e-02    2.19e-03   3.28e-02  -2.29e-02  -2.07e-02     3\n",
+      "13    1.73e-02    1.27e-03   1.86e-02  -1.33e-02  -1.20e-02     4\n",
+      "14    9.79e-03    7.24e-04   1.05e-02  -7.55e-03  -6.82e-03     3\n",
+      "15    5.52e-03    4.10e-04   5.93e-03  -4.27e-03  -3.86e-03     3\n",
+      "16    3.11e-03    2.31e-04   3.35e-03  -2.41e-03  -2.18e-03     3\n",
+      "17    1.76e-03    1.30e-04   1.89e-03  -1.36e-03  -1.23e-03     4\n",
+      "18    9.92e-04    7.36e-05   1.07e-03  -7.65e-04  -6.91e-04     4\n"
      ]
     }
    ],
@@ -589,11 +589,11 @@
       "text/plain": [
        "Krotov Optimization Result\n",
        "--------------------------\n",
-       "- Started at 2020-03-22 16:55:24\n",
+       "- Started at 2020-03-24 14:43:50\n",
        "- Number of objectives: 1\n",
        "- Number of iterations: 18\n",
        "- Reason for termination: Reached convergence: J_T < 1e-3\n",
-       "- Ended at 2020-03-22 16:55:53 (0:00:29)"
+       "- Ended at 2020-03-24 14:45:10 (0:01:20)"
       ]
      },
      "execution_count": 15,

diff --git a/docs/notebooks/02_example_lambda_system_rwa_complex_pulse.ipynb b/docs/notebooks/02_example_lambda_system_rwa_complex_pulse.ipynb
@@ -16,12 +16,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "krotov           1.0.0+dev\n",
-      "scipy            1.3.1\n",
       "matplotlib.pylab 1.17.2\n",
-      "qutip            4.4.1\n",
+      "krotov           1.1.0\n",
       "matplotlib       3.2.1\n",
+      "qutip            4.5.0\n",
       "numpy            1.17.2\n",
+      "scipy            1.3.1\n",
       "CPython 3.7.6\n",
       "IPython 7.13.0\n"
      ]
@@ -750,19 +750,19 @@
      "output_type": "stream",
      "text": [
       "iter.      J_T   g_a_int_1   g_a_int_2   g_a_int_3   g_a_int_4    g_a_int          J  Delta J_T    Delta J  secs\n",
-      "0     1.01e+00    0.00e+00    0.00e+00    0.00e+00    0.00e+00   0.00e+00   1.01e+00        n/a        n/a     1\n",
-      "1     6.72e-01    1.72e-01    5.72e-04    1.63e-01    7.44e-04   3.37e-01   1.01e+00  -3.37e-01  -2.83e-05     2\n",
-      "2     4.02e-01    1.44e-01    8.41e-04    1.24e-01    8.40e-04   2.70e-01   6.72e-01  -2.70e-01  -3.32e-05     2\n",
-      "3     2.22e-01    9.81e-02    9.26e-04    7.98e-02    7.75e-04   1.80e-01   4.02e-01  -1.80e-01  -3.55e-05     2\n",
-      "4     1.17e-01    5.78e-02    7.70e-04    4.58e-02    6.02e-04   1.05e-01   2.22e-01  -1.05e-01  -3.11e-05     2\n",
-      "5     6.00e-02    3.13e-02    5.35e-04    2.46e-02    4.20e-04   5.68e-02   1.17e-01  -5.69e-02  -2.30e-05     2\n",
-      "6     3.05e-02    1.62e-02    3.40e-04    1.27e-02    2.78e-04   2.95e-02   6.00e-02  -2.95e-02  -1.51e-05     2\n",
-      "7     1.54e-02    8.16e-03    2.11e-04    6.47e-03    1.82e-04   1.50e-02   3.05e-02  -1.50e-02  -9.25e-06     2\n",
-      "8     7.85e-03    4.08e-03    1.33e-04    3.25e-03    1.20e-04   7.59e-03   1.54e-02  -7.59e-03  -5.45e-06     2\n",
-      "9     4.03e-03    2.03e-03    8.59e-05    1.63e-03    8.01e-05   3.83e-03   7.85e-03  -3.83e-03  -3.15e-06     2\n",
-      "10    2.09e-03    1.01e-03    5.76e-05    8.13e-04    5.45e-05   1.94e-03   4.02e-03  -1.94e-03  -1.81e-06     2\n",
-      "11    1.10e-03    5.03e-04    3.97e-05    4.06e-04    3.76e-05   9.87e-04   2.09e-03  -9.88e-04  -1.04e-06     2\n",
-      "12    5.91e-04    2.51e-04    2.79e-05    2.03e-04    2.62e-05   5.09e-04   1.10e-03  -5.09e-04  -6.04e-07     2\n"
+      "0     1.01e+00    0.00e+00    0.00e+00    0.00e+00    0.00e+00   0.00e+00   1.01e+00        n/a        n/a     2\n",
+      "1     6.72e-01    1.72e-01    5.72e-04    1.63e-01    7.44e-04   3.37e-01   1.01e+00  -3.37e-01  -2.83e-05     5\n",
+      "2     4.02e-01    1.44e-01    8.41e-04    1.24e-01    8.40e-04   2.70e-01   6.72e-01  -2.70e-01  -3.32e-05     4\n",
+      "3     2.22e-01    9.81e-02    9.26e-04    7.98e-02    7.75e-04   1.80e-01   4.02e-01  -1.80e-01  -3.55e-05     5\n",
+      "4     1.17e-01    5.78e-02    7.70e-04    4.58e-02    6.02e-04   1.05e-01   2.22e-01  -1.05e-01  -3.11e-05     6\n",
+      "5     6.00e-02    3.13e-02    5.35e-04    2.46e-02    4.20e-04   5.68e-02   1.17e-01  -5.69e-02  -2.30e-05     6\n",
+      "6     3.05e-02    1.62e-02    3.40e-04    1.27e-02    2.78e-04   2.95e-02   6.00e-02  -2.95e-02  -1.51e-05     5\n",
+      "7     1.54e-02    8.16e-03    2.11e-04    6.47e-03    1.82e-04   1.50e-02   3.05e-02  -1.50e-02  -9.25e-06     6\n",
+      "8     7.85e-03    4.08e-03    1.33e-04    3.25e-03    1.20e-04   7.59e-03   1.54e-02  -7.59e-03  -5.45e-06     4\n",
+      "9     4.03e-03    2.03e-03    8.59e-05    1.63e-03    8.01e-05   3.83e-03   7.85e-03  -3.83e-03  -3.15e-06     5\n",
+      "10    2.09e-03    1.01e-03    5.76e-05    8.13e-04    5.45e-05   1.94e-03   4.02e-03  -1.94e-03  -1.81e-06     4\n",
+      "11    1.10e-03    5.03e-04    3.97e-05    4.06e-04    3.76e-05   9.87e-04   2.09e-03  -9.88e-04  -1.04e-06     5\n",
+      "12    5.91e-04    2.51e-04    2.79e-05    2.03e-04    2.62e-05   5.09e-04   1.10e-03  -5.09e-04  -6.04e-07     5\n"
      ]
     }
    ],
@@ -803,11 +803,11 @@
       "text/plain": [
        "Krotov Optimization Result\n",
        "--------------------------\n",
-       "- Started at 2020-03-22 16:56:05\n",
+       "- Started at 2020-03-24 14:45:22\n",
        "- Number of objectives: 1\n",
        "- Number of iterations: 12\n",
        "- Reason for termination: Reached convergence: J_T < 0.001\n",
-       "- Ended at 2020-03-22 16:56:37 (0:00:32)"
+       "- Ended at 2020-03-24 14:46:29 (0:01:07)"
       ]
      },
      "execution_count": 20,

diff --git a/docs/notebooks/03_example_lambda_system_rwa_non_hermitian.ipynb b/docs/notebooks/03_example_lambda_system_rwa_non_hermitian.ipynb
@@ -26,12 +26,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "numpy            1.17.2\n",
-      "matplotlib.pylab 1.17.2\n",
       "scipy            1.3.1\n",
+      "krotov           1.1.0\n",
       "matplotlib       3.2.1\n",
-      "qutip            4.4.1\n",
-      "krotov           1.0.0+dev\n",
+      "qutip            4.5.0\n",
+      "numpy            1.17.2\n",
+      "matplotlib.pylab 1.17.2\n",
       "CPython 3.7.6\n",
       "IPython 7.13.0\n"
      ]

diff --git a/docs/notebooks/04_example_dissipative_qubit_reset.ipynb b/docs/notebooks/04_example_dissipative_qubit_reset.ipynb
@@ -26,12 +26,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "matplotlib       3.2.1\n",
-      "numpy            1.17.2\n",
       "scipy            1.3.1\n",
-      "qutip            4.4.1\n",
-      "krotov           1.0.0+dev\n",
+      "krotov           1.1.0\n",
       "matplotlib.pylab 1.17.2\n",
+      "matplotlib       3.2.1\n",
+      "qutip            4.5.0\n",
+      "numpy            1.17.2\n",
       "CPython 3.7.6\n",
       "IPython 7.13.0\n"
      ]
@@ -805,7 +805,7 @@
       "    S(t) (ranges): [0.000000, 1.000000]\n",
       "    iter_start: 0\n",
       "    iter_stop: 5\n",
-      "    duration: 0.6 secs (started at 2020-03-22 16:58:51)\n",
+      "    duration: 0.9 secs (started at 2020-03-24 14:50:37)\n",
       "    optimized pulses (ranges): [0.00, 2.00]\n",
       "    ∫gₐ(t)dt: 0.00e+00\n",
       "    λₐ: 1.00e-02\n",
@@ -814,7 +814,7 @@
       "    τ: (7.97e-01:0.00π)\n",
       "    qubit error: 1.1e-01\n",
       "Iteration 1\n",
-      "    duration: 2.8 secs (started at 2020-03-22 16:58:51)\n",
+      "    duration: 2.8 secs (started at 2020-03-24 14:50:38)\n",
       "    optimized pulses (ranges): [0.00, 2.06]\n",
       "    ∫gₐ(t)dt: 7.72e-02\n",
       "    λₐ: 1.00e-02\n",
@@ -823,7 +823,7 @@
       "    τ: (7.98e-01:0.00π)\n",
       "    qubit error: 1.1e-01\n",
       "Iteration 2\n",
-      "    duration: 3.3 secs (started at 2020-03-22 16:58:54)\n",
+      "    duration: 2.9 secs (started at 2020-03-24 14:50:41)\n",
       "    optimized pulses (ranges): [0.00, 2.23]\n",
       "    ∫gₐ(t)dt: 5.72e-01\n",
       "    λₐ: 1.00e-02\n",
@@ -832,7 +832,7 @@
       "    τ: (8.01e-01:0.00π)\n",
       "    qubit error: 6.7e-02\n",
       "Iteration 3\n",
-      "    duration: 3.1 secs (started at 2020-03-22 16:58:57)\n",
+      "    duration: 3.2 secs (started at 2020-03-24 14:50:44)\n",
       "    optimized pulses (ranges): [0.00, 2.33]\n",
       "    ∫gₐ(t)dt: 8.11e-02\n",
       "    λₐ: 1.00e-02\n",
@@ -841,7 +841,7 @@
       "    τ: (7.99e-01:0.00π)\n",
       "    qubit error: 5.0e-02\n",
       "Iteration 4\n",
-      "    duration: 3.1 secs (started at 2020-03-22 16:59:00)\n",
+      "    duration: 2.7 secs (started at 2020-03-24 14:50:47)\n",
       "    optimized pulses (ranges): [0.00, 2.19]\n",
       "    ∫gₐ(t)dt: 2.16e-01\n",
       "    λₐ: 1.00e-02\n",
@@ -850,7 +850,7 @@
       "    τ: (8.02e-01:0.00π)\n",
       "    qubit error: 4.9e-02\n",
       "Iteration 5\n",
-      "    duration: 3.2 secs (started at 2020-03-22 16:59:03)\n",
+      "    duration: 3.4 secs (started at 2020-03-24 14:50:50)\n",
       "    optimized pulses (ranges): [0.00, 2.15]\n",
       "    ∫gₐ(t)dt: 6.38e-02\n",
       "    λₐ: 1.00e-02\n",
@@ -898,11 +898,11 @@
       "text/plain": [
        "Krotov Optimization Result\n",
        "--------------------------\n",
-       "- Started at 2020-03-22 16:58:51\n",
+       "- Started at 2020-03-24 14:50:37\n",
        "- Number of objectives: 1\n",
        "- Number of iterations: 5\n",
        "- Reason for termination: Reached 5 iterations\n",
-       "- Ended at 2020-03-22 16:59:07 (0:00:16)"
+       "- Ended at 2020-03-24 14:50:53 (0:00:16)"
       ]
      },
      "execution_count": 20,