compoly - determine a possible composition of a polynomial
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Calling Sequence
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compoly(r)
compoly(r, x)
compoly(r, {x, ... })
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Parameters
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r
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polynomial
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x
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-
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variable upon which the composition will be made
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Description
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When compoly is called without additional arguments, it is equivalent to being called with a second argument which is indets(r). When the second argument is a set with more than one variable, then a multivariate composition is attempted. In this case, the result has the same form, but the second polynomial is multivariate, that is, , . For the multivariate case, the second polynomial, , may be of degree 1.
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Examples
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