[sage-support] Re: Creating table of values in SAGE
I'm not sure whether you've gotten an anwser (my mail feeds are working at cross-purposes right now), but: On Feb 21, 2007, at 10:42 AM, Timothy Clemans wrote: I'm trying to pass in an expression to my class Table and use i in the for loop for the x variable. How can I do that? class Table: def __init__(self,range_start,range_end,step,expression): self.range = range(range_start,range_end+1,step) self.expression = expression def __repr__(self): return 'Table of values of %s for %s' % (str(self.expression),str(self.range)) def __str__(self): string = 'x| y\n\n\n\n' for x in self.range: string += '%5d|%6d\n\n' % (x,self.expression) return string table1 = Table(0,10,1,2*x+3) I believe that you should treat the 'expression' as a function, in that the string you are building up should be done thusly: string += '%5d|%6d\n\n' % (x,self.expression(x)) Hope that works for you. I got a complaint when I tried your example, so I'm not sure how you got this output: print table1 x| y 0|21 [snip] Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- My wife 'n kids 'n dogs are gone, I can't get Jesus on the phone, But Ol' Milwaukee's Best is my best friend. --- --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com 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://sage.math.washington.edu/sage/ and http://sage.scipy.org/sage/ -~--~~~~--~~--~--~---
[sage-support] Re: Creating table of values in SAGE
Thanks On 2/21/07, Justin C. Walker [EMAIL PROTECTED] wrote: I'm not sure whether you've gotten an anwser (my mail feeds are working at cross-purposes right now), but: On Feb 21, 2007, at 10:42 AM, Timothy Clemans wrote: I'm trying to pass in an expression to my class Table and use i in the for loop for the x variable. How can I do that? class Table: def __init__(self,range_start,range_end,step,expression): self.range = range(range_start,range_end+1,step) self.expression = expression def __repr__(self): return 'Table of values of %s for %s' % (str(self.expression),str(self.range)) def __str__(self): string = 'x| y\n\n\n\n' for x in self.range: string += '%5d|%6d\n\n' % (x,self.expression) return string table1 = Table(0,10,1,2*x+3) I believe that you should treat the 'expression' as a function, in that the string you are building up should be done thusly: string += '%5d|%6d\n\n' % (x,self.expression(x)) Hope that works for you. I got a complaint when I tried your example, so I'm not sure how you got this output: print table1 x| y 0|21 [snip] Justin -- Justin C. Walker, Curmudgeon at Large Institute for the Absorption of Federal Funds --- My wife 'n kids 'n dogs are gone, I can't get Jesus on the phone, But Ol' Milwaukee's Best is my best friend. --- --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com 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://sage.math.washington.edu/sage/ and http://sage.scipy.org/sage/ -~--~~~~--~~--~--~---
