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lisu555

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2Â¥: Originally posted by soliton923 at 2013-03-09 10:12:40
¶àÔö¼ÓµÄÉÏÏÂÎÄ£¬£¬£¬¾ÍÕâôһµã£¬ÄÜÀí½âµÄ¾ÍÊÇ
\binom{\sin}{\cos} \alpha =\binom{\sin \alpha}{\cos \alpha}

3Â¥2016-08-24 14:29:40
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soliton923

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soliton;sato-theory;algebre-geometry£»Random-Matrices-Theory; Riemann-Hilbert method
2Â¥2013-03-09 10:12:40
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FMStation

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lisu555: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2016-08-26 22:32:05
sin(alpha) or cos(alpha)

https://www.quora.com/What-do-th ... n-set-notation-mean
What do the braces/curly brackets in set notation mean?

[ ] is used to denote intervals. eg.  
[0,1]  means "the interval from 0 to 1, inclusive."

( ) is also used to denote intervals. eg  

(0,1)  means "the interval from 0 to 1, exclusive."

That kind of leaves { } as the only choice that looks bracket-like - { } is used for set notation.
4Â¥2016-08-24 15:05:07
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fengpanpan

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