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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12832 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2014-12-17 15:51:50 +00:00
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doc/variable.html
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@ -721,7 +721,7 @@ operates.
<H4>Atom Values and Vectors
</H4>
<P>Atom values take an integer argument I from 1 to N, where I is the an
<P>Atom values take an integer argument I from 1 to N, where I is the
atom-ID, e.g. x[243], which means use the x coordinate of the atom
with ID = 243. Or they can take a variable name, specified as v_name,
where name is the name of the variable, like x[v_myIndex]. The
@ -733,6 +733,10 @@ the argument between the brackets, e.g. x[243+10] or
x[v_myIndex+1] are not allowed. To do this a single variable can be
defined that contains the needed formula.
</P>
<P>Note that the 0 < atom-ID <= N, where N is the largest atom ID
in the system. If an ID is specified for an atom that does not
currently exist, then the generated value is 0.0.
</P>
<P>Atom vectors generate one value per atom, so that a reference like
"vx" means the x-component of each atom's velocity will be used when
evaluating the variable.