diff --git a/user-doc/tutorials/belfast-4.txt b/user-doc/tutorials/belfast-4.txt index 8a4d6f38dd3ee4cc69e245a6a35946467ece6935..b0fb8542cb0d6dd9dbf4ee95bfe76e30e4f19800 100644 --- a/user-doc/tutorials/belfast-4.txt +++ b/user-doc/tutorials/belfast-4.txt @@ -222,7 +222,7 @@ We here use a a model system alanine dipeptide with CHARM27 all atom force field \subsection belfast-4-restrained-simulations Restrained simulations The simplest way in which one -might influence a CV is by forcing the system to stay close to a chosen +might influence a CV is by forcing the system to stay close to a chosen value during the simulation. This is achieved with a restraining potential that PLUMED provides via the directive \ref RESTRAINT. In the umbrella sampling method a bias potential is added so as @@ -283,7 +283,7 @@ the fifth the additional potential introduced by the restraint on \f$\psi\f$. It may happen that one wants that a given CV just stays within a given range of values. This is achieved in plumed through the -directives \ref UPPER_WALLS and \ref LOWER_WALLS that act on speciď¬c collective variables and +directives \ref UPPER_WALLS and \ref LOWER_WALLS that act on specific collective variables and limit the exploration within given ranges. \subsection belfast-4-reweighting Reweighting the results @@ -483,7 +483,7 @@ You can use the script that you used earlier to compute histogram. The fact that when you add a force on the collective variable PLUMED can force the atoms to do something depends on the fact that the collective variables implemented in PLUMED has analytical -derivatives. By biasing the value of a single CV one turns to affect +derivatives. By biasing the value of a single CV one turns to affect the time evolution of the system itself. Notice that some of the collective variables could be implemented without derivatives (either because the developers were lazy or because the CVs cannot be derived).