|
From: Sven S. <sve...@gm...> - 2006-01-19 20:53:32
|
Travis Oliphant schrieb: > Yes, some of them do still return arrays. Matrices are longer lived in > NumPy then the were in Numeric, for sure, but many functions still > aren't friendly to matrices and convert all inputs to arrays before > operation. Originally, I had the asarray(...) function not convert > matrices by default, but this is too surprising because matrices change > the '*' and '**' operators which could make your function not work. > We should convert all the functions that don't handle matrices so they > will. I'd like to see matrices survive longer than they do. There are > some functions that try to do that > Thanks very much for this useful information! I totally agree, long live the matrices... In the ebook you are selling, are things like that (which functions preserve matrix-type) documented? Those kind of things would be a reason for me to buy it. cheers, Sven |