Em Seg, 2007-03-26 às 01:08 +1000, dpn escreveu: > With the possible inclusion of generic functions in py3k I dont really > see the point of adding more operators. (While i do miss mat1 x mat2 > from PDL). > > mat3 = mat1.mm(mat2) or the like seems to be sufficient. > > I find matrix multiplication annoying in the case of SVD reconstruction: > > final = matrixmultiply(matrixmultiply(u, s), v) >
Matrix multiplication is just too common in numerical linear algebra, one of the main areas for numpy/scipy. Even though I can get used with using dot (or matrixmultiply) to do it, I can easily see the benefit of having a special operator here. This will be beneficial for mathematicians that use numpy/scipy to prototype some ideas or to newcomers from Matlab. Paulo -- Paulo José da Silva e Silva Professor Assistente do Dep. de Ciência da Computação (Assistant Professor of the Computer Science Dept.) Universidade de São Paulo - Brazil e-mail: [EMAIL PROTECTED] Web: http://www.ime.usp.br/~rsilva Teoria é o que não entendemos o (Theory is something we don't) suficiente para chamar de prática. (understand well enough to call practice) _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion