Just to follow up, I've made this simple change and everything *appears* to 
be working fine.  I haven't gone through the lambdify code in depth-- are 
there any unforeseen consequences?

I also noticed that lambdify doesn't like symbols with "prime" notations-- 
the single quote seems to mess something up.
tp=symbols("t'") #works fine in most places, but lambdify chokes

Cheers--
 Greg


On Monday, February 25, 2013 12:53:38 AM UTC-8, G B wrote:
>
> I went and tried to lamdify an expression with a Mod operator using the 
> "numpy" module, and it didn't like it.  Is fixing this as easy as adding 
> "Mod":"mod", 
> to the NUMPY_TRANSLATIONS dictionary in utilities/lambdify.py?
>
> I just discovered lambdify, and now I can't stop using it for 
> everything...  I'd had my own implementation using a hacked together 
> sequence of substitutions, solves and closures, but this is much more 
> satisfying!
>
> Thanks--
>  Greg
>
>

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