Timeline for Why does Manipulate execute the expression twice?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jul 16, 2012 at 20:31 | vote | accept | James Rohal | ||
| Jul 16, 2012 at 20:25 | comment | added | Mr.Wizard |
@James presumably Manipulate checks to see that the value of TrackedSymbols is a list of Symbols, and vars is not expressly so. If this is of considerable interest to you post it as a new question and I will dig deeper.
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| Jul 16, 2012 at 20:21 | comment | added | James Rohal |
Interesting, this does seem to fix it. Why do you think a Rule is necessary for TrackedSymbols rather than a RuleDelayed?
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| Jul 16, 2012 at 20:14 | history | edited | Mr.Wizard | CC BY-SA 3.0 |
added 380 characters in body; added 2 characters in body
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| Jul 16, 2012 at 20:05 | history | edited | Mr.Wizard | CC BY-SA 3.0 |
added 222 characters in body; deleted 34 characters in body; added 162 characters in body
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| Jul 16, 2012 at 19:27 | history | answered | Mr.Wizard | CC BY-SA 3.0 |