Get a vector of the document::
vector_i = doc.getVector(i)
+
+Get the norm of a vector::
+
+ norm = vector_i.getNorm()
+
+Get the angle on X::
+
+ angle = vector_i.getAngleX()
+
+More operations: *Vector* inherits :ref:`Element <tuielement>`.
GUI command: :ref:`guivector`