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sd4399340

新虫 (初入文坛)

[交流] 【求助】弱弱的问几个名词啊 已有2人参与

大概是数学或是计算机方面的,在论文里看到的
一个是closed-form,一般用来形容formulation啊,solution啊一类的
还有一个是group lasso,组套索,好像也不大对啊
期望大牛解答
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conanwj

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About closed form

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无奈的云(金币+2):辛苦了~奖励金币合一起发了~ 2010-08-04 11:12:14
引用回帖:
Originally posted by sd4399340 at 2010-08-03 20:00:37:
大概是数学或是计算机方面的,在论文里看到的
一个是closed-form,一般用来形容formulation啊,solution啊一类的
还有一个是group lasso,组套索,好像也不大对啊
期望大牛解答

In mathematics, closed form may refer to:

Closed-form expression, a finitary expression 有限表达式
Closed differential form, a differential form α with the property that dα = 0

[ Last edited by conanwj on 2010-8-4 at 10:56 ]
2楼2010-08-04 10:54:33
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conanwj

版主 (著名写手)

About grouplasso

引用回帖:
Originally posted by sd4399340 at 2010-08-03 20:00:37:
大概是数学或是计算机方面的,在论文里看到的
一个是closed-form,一般用来形容formulation啊,solution啊一类的
还有一个是group lasso,组套索,好像也不大对啊
期望大牛解答

The grouplasso package is a Matlab program that solves the optimization problems of the grouplasso. This code is not meant to be fast but meant to be precise (machine precision duality gap). Moreover, it contains computations of covariance operators in closed form. It is mainly there to allow reproducibility of the results presented in the following paper.

http://www.di.ens.fr/~fbach/grouplasso/index.htm
3楼2010-08-04 10:56:02
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sd4399340

新虫 (初入文坛)

谢谢啦,今天我也查到了一些grouplasso的论文,估计详细了解的话只有看论文了
4楼2010-08-04 21:27:05
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