scipy/scipy — pull request #3303 by perryism (2014-02-08 23:05:45+00:00)
Title: made a function like numpy.linalg.norm for sparse matrix

I made a function similar to http://docs.scipy.org/doc/numpy/reference/generated/numpy.linalg.norm.html for sparse matrix. This pull request also includes element-wise power function for sparse matrix: csr_matrix and csc_matrix.