Merge pull request #3046 from jsiirola/standard-linear-form

Add "writer" for converting linear models to standard matrix form

pyomo/repn/plugins/__init__.py

@@ -18,6 +18,7 @@ def load():
     import pyomo.repn.plugins.gams_writer
     import pyomo.repn.plugins.lp_writer
     import pyomo.repn.plugins.nl_writer
+    import pyomo.repn.plugins.standard_form
 
     from pyomo.opt import WriterFactory
 

pyomo/repn/plugins/nl_writer.py

@@ -165,9 +165,9 @@ class NLWriterInfo(object):
     eliminated_vars: List[Tuple[_VarData, NumericExpression]]
 
         The list of variables in the model that were eliminated by the
-        presolve.  each entry is a 2-tuple of (:py:class:`_VarData`,
-        :py:class`NumericExpression`|`float`).  the list is ordered in
-        the necessary order for correct evaluation (i.e., all variables
+        presolve.  Each entry is a 2-tuple of (:py:class:`_VarData`,
+        :py:class`NumericExpression`|`float`).  The list is in the
+        necessary order for correct evaluation (i.e., all variables
         appearing in the expression must either have been sent to the
         solver, or appear *earlier* in this list.