On 05.12.2022 at 00:43, j adams wrote: > I apologize if I have the wrong mailing list here. I'm hoping ot ask the > PHP developer community if there's any appetite for functions to handle > matrix operations and scientific computing. > > I took a course on machine learning which had us code solutions using > matlab/octave. This year I embarked on trying to translate those functions > to PHP and have been quite surprised to learn that pure php is quite > inefficient for matrix multiplication. I've been trying to chase down an > effective way to perform matrix operations in PHP and posting my questions > and progress on this forum at PHPBuilder: > https://board.phpbuilder.com/d/10403480-converting-matlab-machine-learning-routines-to-php-need-matrix-operations > > Fast matrix operations seem to be absolutely critical for machine learning, > at least for Support Vector Machines and Neural Networks. I know that there > is a FANN extension, but it seems to me that it would be beneficial for > PHP's use in scientific applications if it had support -- either natively > or via some extension -- for matrix operations and possibly other > statistical or scientific computations. Python has numpy, for example. > > How does everyone feel about BLAS or LAPACK extension for PHP? I'm poorly > equipped to cook up such a thing, but these libraries already exist and > could offer great improvements in performance.
There is already <https://pecl.php.net/package/Tensor>, which should serve these needs. -- Christoph M. Becker -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: https://www.php.net/unsub.php