On 04/19/10 08:03, pp wrote: > I am currently dealing with sparse matrices and have doubts on whether > we can use > 1.) dot (for matrix multiplication) and inv (inverse) operations of > numpy on sparse matrices of CSR format. >
I don't know of any use of the inverse of a sparse matrix. Note, in nearly all cases the inverse of a sparse matrix is a full matrix. Instead of inverting a matrix solve a linear system with that matrix. What do you need the inverse for? Helmut. -- Helmut Jarausch Lehrstuhl fuer Numerische Mathematik RWTH - Aachen University D 52056 Aachen, Germany -- http://mail.python.org/mailman/listinfo/python-list
