Status: Valid
Owner: ----
Labels: Type-Enhancement Priority-Medium Statistics
New issue 3996 by mrock...@gmail.com: Expectation of product of independent
random expressions
http://code.google.com/p/sympy/issues/detail?id=3996
The expectation of the product of independent random expressions can be
brought inside the Mul. For example:
E(X*Y) -> E(X)*E(Y) if X and Y are independent
In many cases independence can be checked very cheaply using the function
sympy.stats.rv.pspace_independent. This should result in significantly
faster and simpler results.
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