From 94747e013f46048a35de60da868456c9caa301ef Mon Sep 17 00:00:00 2001
From: liwt31 <liwt31@163.com>
Date: Fri, 28 Jun 2024 09:17:25 +0800
Subject: [PATCH] add google analytics

---
 doc/source/conf.py                      |  8 +++++++-
 doc/source/tutorials/compress_mps.ipynb | 10 +++++-----
 requirements.txt                        |  7 ++++---
 3 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/doc/source/conf.py b/doc/source/conf.py
index 4b87fc8a..5b140b68 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -64,7 +64,7 @@
 
 # General information about the project.
 project = 'Renormalizer'
-copyright = '2022, Shuaigroup'
+copyright = '2024, Shuaigroup'
 author = 'Shuaigroup'
 
 # The version info for the project you're documenting, acts as replacement for
@@ -184,3 +184,9 @@
 autodoc_default_options = {
     'undoc-members': True,
 }
+
+
+# -- Google Analytics -----------------------------------------------------
+if os.getenv("GITHUB_ACTIONS"):
+  extensions.append("sphinxcontrib.googleanalytics")
+  googleanalytics_id = "G-VMR8V3W3BR"
diff --git a/doc/source/tutorials/compress_mps.ipynb b/doc/source/tutorials/compress_mps.ipynb
index e3c25ba0..6afd2f70 100644
--- a/doc/source/tutorials/compress_mps.ipynb
+++ b/doc/source/tutorials/compress_mps.ipynb
@@ -274,7 +274,7 @@
    "id": "2e572f67-21f0-4256-b527-eb4433ee23a7",
    "metadata": {},
    "source": [
-    "Then compress `mps2` by SVD truncation to a fixed bond dimension of $M=5$. Note that right now `mps2` is not canonicalised, so it has to be canonicalised before SVD compression.\n",
+    "Then compress `mps2` by SVD truncation to a fixed bond dimension of $M=5$. Note that as the product of an MPO and an MPS, `mps2` is not canonicalised, so it has to be canonicalised before SVD compression.\n",
     "\n",
     "After the compression, the size of the matrices in `mps2` is greatly reduced."
    ]
@@ -314,7 +314,7 @@
    "id": "4d0852f0-c31c-4917-903d-3ec01324f837",
    "metadata": {},
    "source": [
-    "We next measure the information loss based on the difference of energy expectations, which is relatively small."
+    "We can see that the information loss, measured by the difference of energy expectations, is relatively small."
    ]
   },
   {
@@ -345,7 +345,7 @@
    "id": "109d0adb-1e37-47e2-9684-2c710a069b4a",
    "metadata": {},
    "source": [
-    "> As a result of the random generation of the MPS, the compress accuracy is not very impressive. Much higher efficiency can be expected for the real wavefunction for a number of quantum models."
+    "> As a result of the random generation of the MPS, the compress accuracy is not very impressive. Much higher efficiency can be expected for the real wavefunction of quantum systems."
    ]
   },
   {
@@ -384,7 +384,7 @@
    "id": "9d968790-43e8-4929-8634-72b520510f00",
    "metadata": {},
    "source": [
-    "Here the compress criteria is set to the singular value threshold, which is set to 1e-5. In other words, all states with singular value small than 1e-3 is discarded.\n",
+    "Here the compress criteria is set to the singular value threshold, which is set to 1e-5.\n",
     "\n",
     "`CompressCriteria` is an `Enum` class for all possible compression strategies. Currently there're three different strategies."
    ]
@@ -417,7 +417,7 @@
    "source": [
     "> Using `CompressCriteria` might seem to be a overkill compared to an implementation using simple strings. \n",
     "However, when it comes to time evolution configurations, since there're a lot of different algorithms and some of them have rather long names,\n",
-    "the `Enum` class can help manage the different algorithms. So here compression uses the same implementation, also for forward compatibility.\n",
+    "the `Enum` class can help manage the different algorithms. So here the compression configuration uses the same implementation. This is also for forward compatibility.\n",
     "\n",
     "We next compress `mps3` using the compress configuration associated with the `mps3` object. $10^{-5}$ is a relatively tight threshold, so the bond dimension is higher than 5."
    ]
diff --git a/requirements.txt b/requirements.txt
index c736f3dd..3dec7156 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,9 +4,10 @@ sympy==1.11.*
 pytest==6.2.*
 h5py==3.1.*
 PyYAML==5.4.*
-recommonmark==0.7.*
-furo==2022.9.*
-nbsphinx==0.8.*
 opt_einsum==3.3.*
 qutip==4.6.*
 print-tree2==0.9.10
+recommonmark==0.7.*
+furo==2022.9.*
+nbsphinx==0.8.*
+sphinxcontrib-googleanalytics==0.4