exercises:2017_ethz_mmm:pythonmd
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionLast revisionBoth sides next revision | ||
exercises:2017_ethz_mmm:pythonmd [2017/03/03 05:55] – dpasserone | exercises:2017_ethz_mmm:pythonmd [2017/03/03 16:38] – dpasserone | ||
---|---|---|---|
Line 5: | Line 5: | ||
<note tip> | <note tip> | ||
- | All files of this exercise be downloaded from the wiki: {{e2.zip|}} | + | All files of this exercise be downloaded from the wiki: {{e2_bis.zip|}} |
Download the exercise into your $HOME folder and unzip it. | Download the exercise into your $HOME folder and unzip it. | ||
< | < | ||
- | you@eulerX ~$ wget http:// | + | you@eulerX ~$ wget http:// |
- | you@eulerX ~$ unzip exercises: | + | you@eulerX ~$ unzip exercises: |
you@eulerX ~$ cd exercise_2 | you@eulerX ~$ cd exercise_2 | ||
</ | </ | ||
Line 112: | Line 112: | ||
prints=“False”</ | prints=“False”</ | ||
execute three or four times the program and write down the execution time that you get as the only output. | execute three or four times the program and write down the execution time that you get as the only output. | ||
- | Now comment the lines for the “efficient” algorithm and uncomment the lines of the ”unefficient” one. Execute | + | Now comment the lines for the “efficient” algorithm and uncomment the lines of the ”unefficient” one. Execute 3-4 times. |
Is the execution time longer? Why do you think you get such a result? | Is the execution time longer? Why do you think you get such a result? | ||
Line 162: | Line 162: | ||
- What is the value of the total energy? Is it conserved? | - What is the value of the total energy? Is it conserved? | ||
- Increase the time step to 3 fs, and run it again. What happens to the total energy? | - Increase the time step to 3 fs, and run it again. What happens to the total energy? | ||
+ | - Note: to visualize a trajectory you can use the code (look inside it!) traj.py in the directory: | ||
+ | < | ||
</ | </ | ||
+ | |||
+ | <note warning> | ||
exercises/2017_ethz_mmm/pythonmd.txt · Last modified: 2020/08/21 10:15 by 127.0.0.1