diff --git a/.octaverc b/.octaverc
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+++ b/.octaverc
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+warning('off', 'Octave:possible-matlab-short-circuit-operator');
+addpath(genpath ('/Users/jlengrand/IdeaProjects/LAFF-2.0xM/Programming/laff'))
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diff --git a/Homework/Week1/Dot_unb.m b/Homework/Week1/Dot_unb.m
new file mode 100644
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--- /dev/null
+++ b/Homework/Week1/Dot_unb.m
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+% Copyright 2018 The University of Texas at Austin
+%
+% For licensing information see
+%                http://www.cs.utexas.edu/users/flame/license.html 
+%                                                                                 
+% Programmed by: Julien Lengrand-Lambert
+%                julien@lengrand.fr
+
+function [ alpha_out, x_out, c_out ] = Dot_unb( alpha, x, c )
+
+  alpha = 0;
+
+  [ xT, ...
+    xB ] = FLA_Part_2x1( x, ...
+                         0, 'FLA_TOP' );
+
+  [ cT, ...
+    cB ] = FLA_Part_2x1( c, ...
+                         0, 'FLA_TOP' );
+
+  while ( size( xT, 1 ) < size( x, 1 ) )
+
+    [ x0, ...
+      chi1, ...
+      x2 ] = FLA_Repart_2x1_to_3x1( xT, ...
+                                    xB, ...
+                                    1, 'FLA_BOTTOM' );
+
+    [ c0, ...
+      gamma1, ...
+      c2 ] = FLA_Repart_2x1_to_3x1( cT, ...
+                                    cB, ...
+                                    1, 'FLA_BOTTOM' );
+
+    alpha += chi1 * gamma1;
+
+
+    [ xT, ...
+      xB ] = FLA_Cont_with_3x1_to_2x1( x0, ...
+                                       chi1, ...
+                                       x2, ...
+                                       'FLA_TOP' );
+
+    [ cT, ...
+      cB ] = FLA_Cont_with_3x1_to_2x1( c0, ...
+                                       gamma1, ...
+                                       c2, ...
+                                       'FLA_TOP' );
+
+  end
+
+  alpha_out = alpha;
+
+
+  x_out = [ xT
+            xB ];
+
+  c_out = [ cT
+            cB ];
+
+endfunction
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