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residue - compute the algebraic residue of an expression
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Calling Sequence
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residue(f, x=a)
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Parameters
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f
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arbitrary algebraic expression
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x
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variable
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a
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algebraic value at which the residue is evaluated
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Description
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Computes the algebraic residue of the expression f for the variable x around the point a. The residue is defined as the coefficient of  in the Laurent series expansion of f.
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Examples
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>
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