diff --git a/Project/ApplyRobinBC_mult_rot.m b/Project/ApplyRobinBC_mult_rot.m
deleted file mode 100644
index 3a9d8ba..0000000
--- a/Project/ApplyRobinBC_mult_rot.m
+++ /dev/null
@@ -1,36 +0,0 @@
-function [K, F] = ApplyRobinBC_mult_rot(model, K, F, alpha, u_out)
-mesh = model.Mesh;
-nodes = mesh.Nodes;
-elements = mesh.Elements;
-
-edgesAll = [elements([1 2],:), elements([2 3],:), elements([3 1],:)];
-edgesSorted = sort(edgesAll,1);
-[edgesUnique,~,ic] = unique(edgesSorted','rows');
-counts = accumarray(ic,1);
-boundaryEdges = edgesUnique(counts==1,:);
-
-for k = 1:size(boundaryEdges,1)
-    i = boundaryEdges(k,1);
-    j = boundaryEdges(k,2);
-
-    ri = nodes(1,i);
-    rj = nodes(1,j);
-    
-    %find the edges on the axis -> homogeneous Neumann BC, no Robin contribution
-    if ri == 0 && rj == 0
-        continue;
-    end
-
-    xi = nodes(:,i);
-    xj = nodes(:,j);
-
-    L = norm(xi - xj);
-    rbar = 0.5 * (xi(1) + xj(1));   % r at edge midpoint
-
-    Ke = rbar * alpha * L / 6 * [2 1; 1 2];
-    Fe = rbar * alpha * u_out * L / 2 * [1; 1];
-
-    K([i j],[i j]) = K([i j],[i j]) + Ke;
-    F([i j]) = F([i j]) + Fe;
-end
-end