title: How do you make V sparse in sklearn.DictionaryLearning?
body: <p><code>alpha</code> controls U's sparsity. <code>transform_alpha</code> also seems to act on U not V. </p>
  
  <p>I want a sparse code and a sparse dictionary. </p>
  
  <p><a href="https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.DictionaryLearning.html" rel="nofollow noreferrer">https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.DictionaryLearning.html</a></p>
  
  <p><a href="https://scikit-learn.org/stable/modules/decomposition.html#dictionarylearning" rel="nofollow noreferrer">https://scikit-learn.org/stable/modules/decomposition.html#dictionarylearning</a></p>