Timeline for What are the most common pitfalls awaiting new users?
Current License: CC BY-SA 3.0
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| Jun 16, 2020 at 9:23 | history | edited | CommunityBot |
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| Apr 13, 2017 at 12:55 | history | edited | CommunityBot |
replaced http://mathematica.stackexchange.com/ with https://mathematica.stackexchange.com/
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| Apr 27, 2015 at 10:47 | history | edited | Michael E2 | CC BY-SA 3.0 |
Added link to related question
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| Dec 11, 2013 at 9:18 | history | edited | István Zachar | CC BY-SA 3.0 |
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| Jul 26, 2013 at 12:29 | comment | added | celtschk |
BTW, another way lingering definitions can bite you is when you change the pattern part of a function definition as well as the corresponding code part by editing the notebook and then executing the cell, but failing to first Clear the old version. Then you don't overwrite the definition, but add a new one, and it may happen that one of your calls happens to better fit the old version. Bugs of that type are very hard to find because all traces of the actually executed code have been removed from the notebook by the edit.
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| Jul 26, 2013 at 12:19 | comment | added | celtschk |
Another important part of this separation is that saving the notebook only saves what is shown, not the values of symbols defined in it. So if you save the notebook with the definition of x and then open it again in a new Mathematica session, you might expect to be able to immediately use x again in the notebook. But you can't do that, you first have to evaluate the definition again.
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| Jan 28, 2013 at 10:25 | history | edited | cormullion | CC BY-SA 3.0 |
typo
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| Jan 28, 2013 at 10:15 | comment | added | Yves Klett | I added a bit about subscript issues, not sure if it should be a separate answer, but it fits nicely into the scope of this one... | |
| Jan 28, 2013 at 10:11 | history | edited | Yves Klett | CC BY-SA 3.0 |
added 374 characters in body
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| Jan 28, 2013 at 9:07 | history | edited | cormullion | CC BY-SA 3.0 |
better title?
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| Jan 27, 2013 at 20:43 | comment | added | Dr. belisarius | +1 I'd like more a title like "Lingering definitions: Why your notebook calcs may return weird results", which links the problem with the perceived symptoms | |
| Jan 27, 2013 at 18:02 | comment | added | rcollyer |
I'd mention that the notebooks can be logically separated by setting their default contexts to something other than Global` .
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| Jan 27, 2013 at 15:33 | comment | added | cormullion | Thought I'd have a go at something basic. | |
| S Jan 27, 2013 at 15:32 | history | answered | cormullion | CC BY-SA 3.0 | |
| S Jan 27, 2013 at 15:32 | history | made wiki | Post Made Community Wiki by cormullion |