some more comments

src/main/scala/example/Vector.scala

@@ -3,10 +3,19 @@ import scala.math.sqrt
 
 case class Vector(var list : List[Double]) {
 
+    // return the number of elements in the vector
     val size = () => this.list.size
+
+    // return the element at index i
     val get = (i : Int) => this.list(i)
+
+    // verify if two vectors are equals
     val equals = (v : Vector) => this.list == v.list 
+
+    // update an element with a value at index i
     val update = (i : Int, value : Double) => this.list = this.list.updated(i, value)
+
+    // verify if two vectors have the same size
     val sameSize = (v : Vector) => this.size() == v.size()
 
 	// Add Terminal recursive