Defining range for parameters

[Shelby Hui-Jun Chen]

Dear all:

I'm wondering is it possible for me to define the range of my parameters when I defining symbols?

For example, I know I can

>>> x = symbols('x', positive = True)

But does it possible that I can restrict the domain of x into, say x is in the interval (0,1)?

Thank you!

Sincerely,

Shelby Chen

[Robert Semenoff]

I think the answer is no... it is a constraint solver like pyomo that maybe is what you want....

But  for sympy to allow type attributes like real etc, it must have some kind of constraint solver built in, so this is an interesting question.

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[Aaron Meurer]

It's not possible yet. There have been plans to implement this sort of
thing but it hasn't happened yet.

Aaron Meurer

> https://groups.google.com/d/msgid/sympy/CAJABt-GngftrY8V%2B1pf6M%3D_N6imN5Ksi1FXxwQVS20KtdtD8OQ%40mail.gmail.com.