Turning String into Numerical Equation
Artie Gold
artiegold at austin.rr.com
Sat Mar 12 22:48:50 EST 2005
Brian Kazian wrote:
> Here's my problem, and hopefully someone can help me figure out if there is
> a good way to do this.
>
> I am writing a program that allows the user to enter an equation in a text
> field using pre-existing variables. They then enter numerical values for
> these variables, or can tell the program to randomize the values used within
> a certain bounds. My problem is taking in this equation they have written
> in the text field and converting it into an equation Python can calculate.
>
> The only way I know of to do this is by parsing it, which could get pretty
> nasty with all of the different mathematical rules. Does anyone have a
> better idea than parsing to compute an equation from a string
> representation?
>
> Thanks so much!
>
> Brian Kazian
>
>
eval()
See: http://docs.python.org/lib/built-in-funcs.html#l2h-23
HTH,
--ag
--
Artie Gold -- Austin, Texas
http://it-matters.blogspot.com (new post 12/5)
http://www.cafepress.com/goldsays
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