Merge pull request #2205 from stinebuu/update_doc

Update outdated code snippets in documentation

doc/userdoc/guides/parallel_computing.rst

@@ -288,18 +288,17 @@ of all four neurons are recorded to files.
 .. code-block:: python
 
     import nest
-    from nest import Create, Connect, Simulate
 
     nest.total_num_virtual_procs = 4
-    pg = Create("poisson_generator", params={"rate": 50000.0})
-    n = Create("iaf_psc_alpha", 4)
-    sr = Create("spike_recorder", params={"record_to": "ascii"})
-    Connect(pg, [n[0]], syn_spec={'weight': 1000.0, 'delay': 1.0})
-    Connect([n[0]], [n[1]], syn_spec={'weight': 1000.0, 'delay': 1.0})
-    Connect([n[1]], [n[2]], syn_spec={'weight': 1000.0, 'delay': 1.0})
-    Connect([n[2]], [n[3]], syn_spec={'weight': 1000.0, 'delay': 1.0})
-    Connect(n, sr)
-    Simulate(100.0)
+    pg = nest.Create("poisson_generator", params={"rate": 50000.0})
+    n = nest.Create("iaf_psc_alpha", 4)
+    sr = nest.Create("spike_recorder", params={"record_to": "ascii"})
+    nest.Connect(pg, n[0], syn_spec={"weight": 1000.0, "delay": 1.0})
+    nest.Connect(n[0], n[1], syn_spec={"weight": 1000.0, "delay": 1.0})
+    nest.Connect(n[1], n[2], syn_spec={"weight": 1000.0, "delay": 1.0})
+    nest.Connect(n[2], n[3], syn_spec={"weight": 1000.0, "delay": 1.0})
+    nest.Connect(n, sr)
+    nest.Simulate(100.0)
 
 The script is run three times using different numbers of MPI processes,
 but 4 virtual processes in every run:

doc/userdoc/guides/weight_normalization.rst

@@ -26,9 +26,9 @@ This would look something like:
 
 .. code-block:: python
 
-   def normalize_weights(neuron_gids_to_be_normalized, w_target=1):
-       for neur in neuron_gids_to_be_normalized:
-           conn = nest.GetConnections(target=[neur])
+   def normalize_weights(neurons_to_be_normalized, w_target=1):
+       for neuron in neurons_to_be_normalized:
+           conn = nest.GetConnections(target=neuron)
            w = np.array(conn.weight)
            w_normed = w / sum(abs(w))  # L1-norm
            conn.weight = w_target * w_normed