diff --git a/TPS/.gitkeep b/TPS/.gitkeep
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/src/main/java/ch/hepia/numeric/Transposed.java b/src/main/java/ch/hepia/numeric/Transposed.java
new file mode 100644
index 0000000000000000000000000000000000000000..5c54092023e7b630160719755f2b36f6db969072
--- /dev/null
+++ b/src/main/java/ch/hepia/numeric/Transposed.java
@@ -0,0 +1,21 @@
+package ch.hepia.numeric;
+
+public class Transposed{
+
+    final private Vector v;
+
+    Transposed(Vector v) {
+        this.v = v;
+    }
+    public double dot(Vector vect){
+        throw new UnsupportedOperationException("This feature isn't implemented yet");
+    }
+
+    public Transposed sub(Transposed t){
+        return new Transposed(t.v.sub(v));
+    }
+
+    public Vector t(){
+        return this.v;
+    }   
+}
\ No newline at end of file
diff --git a/src/main/java/ch/hepia/numeric/Vector.java b/src/main/java/ch/hepia/numeric/Vector.java
index d210742e36bae5513ad8ee5176c15633db40a1c8..f6b3392e51ef3097e5ba76d5dc0e88432d01b7ce 100644
--- a/src/main/java/ch/hepia/numeric/Vector.java
+++ b/src/main/java/ch/hepia/numeric/Vector.java
@@ -14,7 +14,7 @@ final public class Vector {
     }
 
     public Transposed t() {
-        throw new UnsupportedOperationException("This feature isn't implemented yet");
+        return new Transposed(this);
     }
 
     public int len() {
@@ -126,4 +126,4 @@ final public class Vector {
     public boolean equals(Object obj) {
         throw new UnsupportedOperationException("This feature isn't implemented yet");
     }
-}
+}
\ No newline at end of file