This is a lot to add to Python itself to poorly reproduce well-tested functionally in a very popular library. There are many Python distributions that come with that extra battery included, just not the one from the PSF.
On Thu, Aug 13, 2020, 6:20 PM Stefano Borini <[email protected]> wrote: > Excuse me if I am out of the loop and this is already available, but I > haven't seen it and googling is not exactly easy as numpy introduces > considerable noise. > > With the introduction of the statistics module, the standard library > provides basic statistical functions that can be useful in many > scenarios, including teaching. > The math module has plenty of mathematical functions that are very > interesting, but no Matrix object. When newcomers want to have a > matrix object, they end up > implementing a list of lists (as suggested by the documentation, e.g. > see > https://docs.python.org/3/tutorial/datastructures.html?highlight=matrix#nested-list-comprehensions > and > https://docs.python.org/3/faq/programming.html?highlight=matrix#how-do-i-create-a-multidimensional-list > ) > but it's ambiguous > (is each entry a row or a column?), and does not enforce types or > equal length of each entry. > > Generally, when a Matrix object is needed, numpy is the point of > reference, but numpy requires understanding pip, installing modules, > maybe creating a virtual environment and finally understanding numpy. > > I would propose a simple, straightforward, low performance object to > perform trivial operations such as matrix multiplication, > transposition, addition, linear problem solving, determinant. The > absolute bare minimum for an introductory linear algebra course. > The syntax should mimic numpy to train newcomers to the numpy syntax > whenever possible, and of course should implement the @ operator. > > There is already a similar entity in the "array" module, which is a > simple version of a numpy array, except that is only one-dimensional. > > -- > Kind regards, > > Stefano Borini > _______________________________________________ > Python-ideas mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/[email protected]/message/R334EPWCXRM3RXFEUXVN4HYG6WQKKCGT/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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