add math test

user_guide/docs/index.md

@@ -33,6 +33,8 @@ of Landscape Water Conservation, Faculty of Civil Engineering, Czech
 Technical University in Prague. Source code is licenced under GNU GPL
 and available from GitHub repository <https://github.com/storm-fsv-cvut/smoderp2d>.
 
+The surface water level is calculated as:
+$h^{sur}_{i,t} = h^{sur}_{i,t-1} + dt(es_{i,t-1} + \sum_j^m o^{in}_{j,t-1} - inf_{i,t-1} - o^{out}_{i,t-1})$
 
 ## Installation 
 

user_guide/docs/javascripts/mathjax.js

@@ -0,0 +1,19 @@
+window.MathJax = {
+  tex: {
+    inlineMath: [["\\(", "\\)"]],
+    displayMath: [["\\[", "\\]"]],
+    processEscapes: true,
+    processEnvironments: true
+  },
+  options: {
+    ignoreHtmlClass: ".*|",
+    processHtmlClass: "arithmatex"
+  }
+};
+
+document$.subscribe(() => { 
+  MathJax.startup.output.clearCache()
+  MathJax.typesetClear()
+  MathJax.texReset()
+  MathJax.typesetPromise()
+})

user_guide/mkdocs.yml

@@ -12,3 +12,11 @@ nav:
     - 'qgis.md'
     - 'grass.md'
     - 'arcgis.md'
+    - 'install.md'
+markdown_extensions:
+  - pymdownx.arithmatex:
+      generic: true
+extra_javascript:
+  - javascripts/mathjax.js
+  - https://polyfill.io/v3/polyfill.min.js?features=es6
+  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js