diff --git a/interfaces/matlab/toolbox/1D/@Domain1D/Domain1D.m b/interfaces/matlab/toolbox/1D/@Domain1D/Domain1D.m
index 1f0b2b976..3800e0d2a 100755
--- a/interfaces/matlab/toolbox/1D/@Domain1D/Domain1D.m
+++ b/interfaces/matlab/toolbox/1D/@Domain1D/Domain1D.m
@@ -1,10 +1,16 @@
-function d = Domain1D(a, b, c, d, e)
+function d = Domain1D(a, b, c)
 % DOMAIN1D - Create a new one-dimensional domain.
 %
 d.dom_id = -1;
 
+% Valid job numbers for one argument
+valid_jobs = [2, 3, 4, 5, -2];
 if nargin == 1
-    d.dom_id = domain_methods(0, a);
+    if any(a == valid_jobs)
+        d.dom_id = domain_methods(0, a);
+    else
+        error('Not enough arguments for that job number')
+    end
 elseif nargin == 2
     % a stagnation flow
     if a == 1
diff --git a/interfaces/matlab/toolbox/@Solution/Solution.m b/interfaces/matlab/toolbox/@Solution/Solution.m
index ff09329fb..feb0cde0b 100644
--- a/interfaces/matlab/toolbox/@Solution/Solution.m
+++ b/interfaces/matlab/toolbox/@Solution/Solution.m
@@ -1,4 +1,4 @@
-function s = Solution(src, id)
+function s = Solution(src, id, trans)
 % SOLUTION - class Solution constructor.
 %
 %    Class Solution represents solutions of multiple species. A
@@ -27,17 +27,24 @@ function s = Solution(src, id)
 %
 % See also: ThermoPhase, Kinetics, Transport
 %
-doc = XML_Node('doc',src);
+doc = XML_Node('doc', src);
 if nargin == 1
-    node = findByName(doc,'phase');
+    node = findByName(doc, 'phase');
 else
-    node = findByID(doc,id);
+    node = findByID(doc, id);
 end
 t = ThermoPhase(node);
-k = Kinetics(node,t);
+k = Kinetics(node, t);
 s.kin = k;
 s.th = t;
-tr = Transport(node,t,'default',0);
+if nargin == 3
+    if strcmp(trans, 'default') || strcmp(trans, 'Mix') || strcmp(trans, 'Multi')
+        tr = Transport(node, t, trans, 4);
+    else
+        error('Unknown transport modeling specified.')
+    end
+else
+    tr = Transport(node, t, 'default', 4);
+end
 s.tr = tr;
-s = class(s,'Solution',t,k,tr);
-
+s = class(s, 'Solution', t, k, tr);
diff --git a/interfaces/matlab/toolbox/@Wall/Wall.m b/interfaces/matlab/toolbox/@Wall/Wall.m
index 4fca23d5e..383f59248 100644
--- a/interfaces/matlab/toolbox/@Wall/Wall.m
+++ b/interfaces/matlab/toolbox/@Wall/Wall.m
@@ -1,12 +1,82 @@
-function x = Wall(typ)
+function x = Wall(left, right, area, k, u, q, v, kleft, kright)
 %
-if nargin == 0
-    typ = 1;
-end
+
+% This is a dummy argument, it is not actually used by wall_new in ctreactor.cpp
+typ = 1;
+
 x.index = wallmethods(0, typ);
+
 if x.index < 0
     error(geterr);
 end
 x.left = -1;
 x.right = -1;
 x = class(x, 'Wall');
+
+if nargin >= 2
+    if isa(left, 'Reactor') && isa(right, 'Reactor')
+        install(x, left, right);
+    else
+        warning(['left and/or right were not instances of Reactor, ' ...
+                 'and were not installed.'])
+    end
+end
+
+if nargin >= 3
+    if isnumeric(area)
+        setArea(x, area);
+    else
+        warning('area was not a number and the area was not set')
+    end
+end
+
+if nargin >= 4
+    if isnumeric(k)
+        setExpansionRateCoeff(x, k);
+    else
+        warning('k was not a number and the expansion rate coefficient was not set')
+    end
+end
+
+if nargin >= 5
+    if isnumeric(u)
+        setHeatTransferCoeff(x, u);
+    else
+        warning('u was not a number and the expansion rate coefficient was not set')
+    end
+end
+
+if nargin >= 6
+    if isa(q, 'Func')
+        setHeatFlux(x, q);
+    else
+        warning('q was not an instance of Func and was not set')
+    end
+end
+
+if nargin >= 7
+    if isa(v, 'Func')
+        setVelocity(x, v)
+    else
+        warning('v was not an instance of Func and was not set')
+    end
+end
+
+if nargin >= 8
+    if ~isa(kleft, 'Kinetics')
+        kleft = 0;
+    end
+    if nargin == 9
+        if ~isa(kright, 'Kinetics')
+            kright = 0;
+        end
+    else
+        kright = 0;
+    end
+    if ~isa(kleft, 'Kinetics') && ~isa(kright, 'Kinetics')
+        warning(['kleft and kright were not instances of class Kinetics ' ...
+                 'and so were not set'])
+    else
+        setKinetics(x, kleft, kright);
+    end
+end