13
votes
2answers
267 views

How to make use of NumericQ[x] = True (and use it safely)?

Basic Issue: I'm trying to understand the proper use of NumericQ's "magical" capabilities. Please consider the examples below. Actual question and some links are ...
4
votes
1answer
187 views

Assumptions seem not to be considered

In the following a,b is a probability distribution, i.e. a+b==1 with ...
6
votes
4answers
323 views

Attaching persistent assumptions to symbol definition

Is it possible to attach assumptions to a symbol? This relates to this question. Most of my work involves physical equations, i.e. there are basic assumptions on variables that will always hold true ...