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|  Fephisto | May 6, 2006 11:20am | Mine:
f(x) = sin(x) - u_(2*pi)(x) * sin(x)
Where u_n(x) is the step function. |
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|  broessel | May 6, 2006 1:46pm | | e^x because its slope everywhere is equal to its value. |
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| | baalin | May 12, 2006 9:37am | 
Saved me on todays exam :) |
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Sponsor |  baruch60610 | Dec 1, 2006 8:06pm | I like e^(i pi) + 1 = 0. It contains five of the most fundamental constants of math, all in a single function. i, pi, e, 0, and 1 - beautiful, how they are all related...
Update: Oops, had the wrong sign... |
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|  the-fair | Mar 9, 2007 9:24pm | y=x^-x^2
where -2.5 < x < 1
-2 < y < 2 |
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| | | StealYourFace42 | Mar 15, 2007 7:57am | f(x)=e^x
Best function ever. |
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| | Fephisto | Mar 18, 2007 5:45pm | | Perhaps this should be separated between 'favorite' functions, most useful functions, and favorite equations..... |
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| | karyatid | Mar 26, 2007 5:51am | The Bernoulli numbers' exponential generating function;
by the way;
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Mathematics → Discussion