On Sep 1, 2009, at 12:16 PM, Mikie wrote: > I took out the eval and for some reason it is working. > Robert, this is function in my API (AlgCalc) > http://pirsqrt.com:1843/ > If I would give it to you would you show me how to get JSmath to > work? I have talked to you before. You said you were too busy. I > have loaded load.js, but when it goes for another .js file it cannot > find.
You're probably thinking about another Robert--I don't know anything about jsmath. What I would do is look for instructions on their site. - Robert (Bradshaw) > > On Sep 1, 12:37 pm, Mikie <[email protected]> wrote: >> Yes, Robert eval is doing the rounding. How do I fix it? >> >> On Sep 1, 12:31 pm, Mikie <[email protected]> wrote: >> >> >> >>> I have tried SR. I get a malformed value. Yes, I understand the >>> problem with eval. Do you have any suggestions on how to get the >>> right value into maxima.solve? >> >>> On Sep 1, 11:32 am, Robert Bradshaw <[email protected]> >>> wrote: >> >>>> On Tue, 1 Sep 2009, Mikie wrote: >> >>>>> When I run the server with the function above and the following >>>>> string >>>>> from a text box I get >>>>> [y=-1,x=0]. The string is "[3*x-y-1,x+(1/3)*y]" >> >>>>> It is changing the input value to [3*x-y-1,x] >> >>>> 1/3 = 0 in Python. Also, I hope you realize how dangerous >> >>>> eval("random string someone gave you from the web") is! >> >>>> - Robert >> >>>>> On Sep 1, 10:38 am, Mikie <[email protected]> wrote: >>>>>> Sorry, wrong function >> >>>>>> def MSolveSys(syss): >>>>>> eqns=eval(syss) >>>>>> solns=maxima.solve(eqns) >>>>>> return solns >> >>>>>> On Sep 1, 10:31 am, Jason Grout <[email protected]> >>>>>> wrote: >> >>>>>>> Robert Bradshaw wrote: >>>>>>>> On Sep 1, 2009, at 9:17 AM, Mikie wrote: >> >>>>>>>>> Here is function I am using to solve systems of linear >>>>>>>>> equations. >> >>>>>>>>> def MSolveSys(syss): >>>>>>>>> eqns=eval(syss) >>>>>>>>> solns=maxima.solve(syss) >>>>>>>>> return solns >> >>>>>>>>> Works great in the notebook, but when I put it in a Python >>>>>>>>> script it >>>>>>>>> rounds the coeficients of the variables and thus produces bad >>>>>>>>> solutions. >> >>>>>>>> Perhaps eval here is the culprit. You might have to parse it >>>>>>>> a bit >>>>>>>> yourself. SR("...") will parse expressions. >> >>>>>>> Mikie effectively isn't using "eval", right? That line (and >>>>>>> the "eqns" >>>>>>> variable) is not being used. >> >>>>>>> Jason >> >>>>>>> -- >>>>>>> Jason Grout- Hide quoted text - >> >>>>>>> - Show quoted text -- Hide quoted text - >> >>>>>> - Show quoted text -- Hide quoted text - >> >>>> - Show quoted text -- Hide quoted text - >> >>> - Show quoted text -- Hide quoted text - >> >> - Show quoted text - > > --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
