Update docs: bond_morse

doc/src/Eqs/bond_morse.tex

@@ -1,10 +0,0 @@
-\documentclass[12pt]{article}
-
-\begin{document}
-
-$$
-%   E = D \left[ 1 - \exp \left( -\alpha (r - r_0) \right) \right]^2 
-   E = D \left[ 1 - e^{-\alpha (r - r_0)} \right]^2 
-$$
-
-\end{document}

doc/src/bond_morse.rst

@@ -1,16 +1,16 @@
-.. index:: bond\_style morse
+.. index:: bond_style morse
 
-bond\_style morse command
-=========================
+bond_style morse command
+========================
 
-bond\_style morse/omp command
-=============================
+bond_style morse/omp command
+============================
 
 Syntax
 """"""
 
 
-.. parsed-literal::
+.. code-block:: LAMMPS
 
    bond_style morse
 
@@ -18,7 +18,7 @@ Examples
 """"""""
 
 
-.. parsed-literal::
+.. code-block:: LAMMPS
 
    bond_style morse
    bond_coeff 5 1.0 2.0 1.2
@@ -28,20 +28,22 @@ Description
 
 The *morse* bond style uses the potential
 
-.. image:: Eqs/bond_morse.jpg
-   :align: center
+.. math::
 
-where r0 is the equilibrium bond distance, alpha is a stiffness
-parameter, and D determines the depth of the potential well.
+   E = D \left[ 1 - e^{-\alpha (r - r_0)} \right]^2
+
+
+where :math:`r_0` is the equilibrium bond distance, :math:`\alpha` is a stiffness
+parameter, and :math:`D` determines the depth of the potential well.
 
 The following coefficients must be defined for each bond type via the
 :doc:`bond\_coeff <bond_coeff>` command as in the example above, or in
 the data file or restart files read by the :doc:`read\_data <read_data>`
 or :doc:`read\_restart <read_restart>` commands:
 
-* D (energy)
-* alpha (inverse distance)
-* r0 (distance)
+* :math:`D` (energy)
+* :math:`\alpha` (inverse distance)
+* :math:`r_0` (distance)
 
 
 ----------
@@ -83,8 +85,3 @@ Related commands
 :doc:`bond\_coeff <bond_coeff>`, :doc:`delete\_bonds <delete_bonds>`
 
 **Default:** none
-
-
-.. _lws: http://lammps.sandia.gov
-.. _ld: Manual.html
-.. _lc: Commands_all.html