enable dollarmath (#235)

+ fix some eqs

Author: zingale

docs/source/conf.py

@@ -44,6 +44,7 @@
     'sphinx.ext.inheritance_diagram',
     'sphinx.ext.graphviz',
     'sphinx_copybutton',
+    'sphinx_math_dollar',
     'sphinx-prompt',
     'IPython.sphinxext.ipython_console_highlighting',
     'sphinx.ext.githubpages']
@@ -104,6 +105,15 @@
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
 
+# -- Options for MathJax
+# for sphinx-math-dollar
+mathjax3_config = {}
+
+mathjax3_config["tex"] = {
+    "inlineMath": [['\\(', '\\)']],
+    "displayMath": [["\\[", "\\]"]],
+  }
+
 
 # -- Options for HTML output ----------------------------------------------
 

docs/source/multigrid.rst

@@ -14,14 +14,14 @@ There are three solvers:
 
 * The class :func:`variable_coeff_MG.VarCoeffCCMG2d <pyro.multigrid.variable_coeff_MG.VarCoeffCCMG2d>` solves variable coefficient Poisson problems of the form
 
-  $$\nabla \cdot (\eta \nabla \phi ) = f`$$
+  $$\nabla \cdot (\eta \nabla \phi ) = f$$
 
   This class inherits the core functionality from ``MG.CellCenterMG2d``.
 
 * The class :func:`general_MG.GeneralMG2d <pyro.multigrid.general_MG.GeneralMG2d>` solves a general elliptic
   equation of the form
 
-  $$`\alpha \phi + \nabla \cdot ( \beta \nabla \phi) + \gamma \cdot \nabla \phi = f`$$
+  $$`\alpha \phi + \nabla \cdot ( \beta \nabla \phi) + \gamma \cdot \nabla \phi = f$$
 
   This class inherits
   the core functionality from :func:`MG.CellCenterMG2d <pyro.multigrid.MG.CellCenterMG2d>`.

requirements.txt

@@ -11,6 +11,7 @@ flake8>=3.5.0
 numba>=0.40.0
 numpydoc
 sphinxcontrib-bibtex
+sphinx-math-dollar
 sphinx-copybutton
 sphinx-prompt
 importlib-metadata