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The Maxima on-line user's manual

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Outative

-- Declaration: outative declare (f, outative) tells the Maxima simplifier that constant factors in the argument of f can be pulled out.

1. If f is univariate, whenever the simplifier encounters f applied to a product, that product will be partitioned into factors that are constant and factors that are not and the constant factors will be pulled out. E.g., f(a*x) will simplify to a*f(x) where a is a constant. Non-atomic constant factors will not be pulled out.

2. If f is a function of 2 or more arguments, outativity is defined as in the case of sum or integrate, i.e., f (a*g(x), x) will simplify to a * f(g(x), x) for a free of x.

sum, integrate, and limit are all outative.

(%o1)                                true
(%i2) 

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