User Jan

Jan

Member for 6 years, 5 months
Last seen more than 2 years ago

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Curious

Feb 29, 2020
Custodian

Feb 29, 2020
Tumbleweed

Jul 19, 2017

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matrix-decomposition

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non-negative-matrix-factorization

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sparse

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machine-learning

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optimization

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regularization

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Why do increasing regularization weights make objective function not monotonically decrease?

Mar 15, 2018

What can be implied from loss function that its regularizer needs large coefficient

Sep 12, 2018

Normalizing sparse matrix by mean, should the mean be calculated excluding zero?

Oct 23, 2018

Using complex number in non-negative matrix factorization (NMF)

Jan 3, 2019

Why atoms in the dictionary of Dictionary Learning method are not required to be orthogonal?

Feb 28, 2020

What conclusions I can draw from matrix result after non-negative matrix factorization?

Apr 18, 2017

Derive a constant in Kullback-Liebler divergence proof

Aug 8, 2017

Why W is transposed in the final form of multiplicative updates of NMF - $H^*=H * \frac{W^T\frac{V}{WH}}{W^T 1}$

Aug 17, 2017

What can be the reasons that L1-regularized NMF gets worse result than standard NMF in sparse matrix computation?

Feb 11, 2018

What is a technique for extracting the data pattern from experimental replicates?

Mar 8, 2018