equation parameter of
optimization_setup or via optimization_term). The reason
is that the hard constraints imposed by optimization_constraint
may make it more difficult for the optimizer to converge.
&optimization_constraint
STRING quantity = NULL;
double lower = 0;
double upper = 0;
&end
quantity -- The quantity to be constrained, given as an
rpn expression in terms of the optimization variables, the
optimization covariables, and and the ``final'' parameters (see the
entry for run_setup for the last of these). The optimization
(co)variables are referred to as
<element-name>.<parameter-name>, in all capital letters.
lower, upper -- The lower and upper limits
allowed for the expression.