Last modified by adavison on 2022/10/04 13:53
From version 27.9
edited by shailesh
on 2021/10/08 11:06
Change comment: There is no comment for this version
To version 27.10
edited by shailesh
on 2021/10/08 11:16
Change comment: There is no comment for this version

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... ... @@ -91,6 +91,12 @@
91 91  \\(% style="color:#000000" %)python3 -m venv pynn_env
92 92  )))
93 93  
94 +(% class="box warningmessage" %)
95 +(((
96 +**Note:**
97 +\\Observe that this command is as 'python3' and not simply 'python'. This is because Ubuntu 20, as default, understands only the former. You can find on the Internet various ways to have 'python' also refer to 'python3', but for the purposes of this tutorial we shall keep things simple and try to work with the bare minimum changes to the system.
98 +)))
99 +
94 94  This will create a sub-directory named 'pynn_env' within our project directory, with several files and sub-directories. Let us take a look at the 'site-packages' directory.
95 95  
96 96  (% class="box infomessage" %)
... ... @@ -140,11 +140,17 @@
140 140  (% class="box infomessage" %)
141 141  (((
142 142  **Screencast** - terminal
143 -\\(% style="color:#000000" %)python3
149 +\\(% style="color:#000000" %)python
144 144  \\import brian2
145 145  \\exit()
146 146  )))
147 147  
154 +(% class="box warningmessage" %)
155 +(((
156 +**Note: **
157 +\\You might remember that earlier in this tutorial we had to use the term 'python3' to run Python on our system. But here, as in the rest of this tutorial, we shall simply write 'python'. This is possible because once we have activated our virtual environment, this environment understands that both 'python' and 'python3' are equivalent.
158 +)))
159 +
148 148  If there are no error messages here, and the import is successful, then we have completed installing Brian 2.
149 149  
150 150  We shall now move on to install the NEST simulator. Unlike Brian 2, NEST is not a Python package and therefore it cannot be installed via the 'pip' command.
... ... @@ -172,7 +172,7 @@
172 172  (% class="box infomessage" %)
173 173  (((
174 174  **Screencast** - terminal
175 -\\(% style="color:#000000" %)python3
187 +\\(% style="color:#000000" %)python
176 176  \\import nest
177 177  \\exit()
178 178  )))
... ... @@ -206,7 +206,7 @@
206 206  (% class="box infomessage" %)
207 207  (((
208 208  **Screencast** - terminal
209 -\\(% style="color:#000000" %)python3
221 +\\(% style="color:#000000" %)python
210 210  \\from neuron import h
211 211  \\exit()
212 212  )))