Would it be possible to install SJulia as a Julia package, and switch between SJulia and Julia - kind of like how we have the help> and the shell> prompts, which can be activated with ? and ;
-viral On Monday, April 20, 2015 at 5:46:08 PM UTC+5:30, lapeyre....@gmail.com wrote: > > Here is SJulia > > https://github.com/jlapeyre/SJulia > > sjulia> f = (x^y + y^z + z^x)^3 > (x ^ y + y ^ z + z ^ x) ^ 3 > > sjulia> f = (x^y + y^z)^3 > (x ^ y + y ^ z) ^ 3 > > sjulia> g = Expand(f) > x ^ (3 * y) + 3 * (x ^ (2 * y)) * (y ^ z) + 3 * (x ^ y) * (y ^ (2 * z)) + > y ^ (3 * z) > > SJulia is very close in spirit to Mathematica (Wolfram). This is more or > less a language written in Julia, > although it can be made to communicate well with Julia. From the user's > perspective, there are advantages and disadvantages to > implementing symbolic capability as an extension to languages like Julia > or Python rather than as > another language. I think it is possible to have a language that supports > both. > > Also, CAS can describe various software tools that are designed to do very > different things. For instance, a CAS may be intended to implement more or > less mathematical rigor. It may have a hierarchy of computer language types > meant to represent mathematical objects. Or > it may (like Mathematica, Maple, and Maxima) be based on 'expressions' > that are essentially devoid of meaning. All of these distinctions, > particularly the latter, regarding purpose, are typically confused in > discussions on internet fora. > > I think that Julia is a great language for symbolic computation. Have fun! > --John > > > On Sunday, April 19, 2015 at 7:47:34 PM UTC+2, Marcus Appelros wrote: >> >> Hi Kevin, thanks for the link! From the end of that thread: >> >> "Has anybody written pure Julia symbolic math for things like: >> >> f = (x**y + y**z + z**x)**100 >> g = f.expand()" >> >> "As far as I know there is no Julia package which supports such symbolic >> expressions and manipulation." >> >> Now there is! >> >> Saw a more recent dev discussion calling for someone to write a package >> like this. Have looked through the package list many times and never found >> anything that appeared alike the vision of Equations, SymPy has some common >> functionality however certainly didn't start developing in Julia to use >> Python. >> >> Developing this code is indeed very enjoying and as more of the planned >> features become released a solid user base will be established, have >> expanded the todolist with an impelling to read the discussion in your link >> so as to hasten the construction of such a foundation, as per your >> recommendation. >> >> With love. <3 >> >
