Create readme.md

Author: com-py

libs/readme.md

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+# J Wang, Computational modeling and visualization with Python
+These are common library files. They should be extracted or saved to
+the Python path (e.g., C:\Python27) so they can be called from anywhere.
+
+On Anaconda, library files may be placed in 
+`"C:\Users\yourname\Anaconda3\lib"` on Windows 10 for example.
+But it is tidier to put them in one folder in site-packages as
+`"C:\Users\yourname\Anaconda3\lib\site-packages\compy"`. 
+To do so, create a file `compy.pth` containing the folder path in quotes 
+and place it and lib files in paths as folows:
+<table border="0">
+<tr>
+   <td> C:\Users\yourname\Anaconda3\lib\site-packages\compy.pth </td>
+</tr> 
+<tr>
+   <td> C:\Users\yourname\Anaconda3\lib\site-packages\compy\ode.py</td>
+</tr> 
+<tr>
+   <td align="right"> . . . \xyz.py </td>
+</tr> 
+</table>