Also defined this shortcut in GRSEvaluationPolynomialEncoder

src/sage/coding/grs.py

@@ -658,6 +658,10 @@ def encode(self, p):
         r"""
         Transforms the polynomial ``p`` into a codeword of :meth:`code`.
 
+        One can use the following shortcut to encode a word with an encoder ``E``::
+
+            E(word)
+
         INPUT:
 
         - ``p`` -- A polynomial from the message space of ``self`` of degree
@@ -708,6 +712,9 @@ def encode(self, p):
         c = vector(C.base_ring(), [col_mults[i]*p(alphas[i]) for i in range(C.length())])
         return c
 
+    #Alias for encode method
+    __call__ = encode
+
     def unencode_nocheck(self, c):
         r"""
         Returns the message corresponding to the codeword ``c``.