add missing 1/n**2 term to pair style cosine/periodic energy function

2021-03-22 15:10:45 -04:00
parent e8c8ceaf81
commit aabfe40ad3
1 changed files with 1 additions and 1 deletions
--- a/doc/src/angle_cosine_periodic.rst
+++ b/doc/src/angle_cosine_periodic.rst
@ -31,7 +31,7 @@ center:

 .. math::

-   E = 2.0*C \left[ 1 - B(-1)^n\cos\left( n\theta\right) \right]
+   E = \frac{2.0}{n^2} * C \left[ 1 - B(-1)^n\cos\left( n\theta\right) \right]

 where :math:`C`, :math:`B` and :math:`n` are coefficients defined for each angle type.