On Wed, 28 Nov 2018, Ralf Hemmecke wrote:
Suppose, p is an infinite powerseries and p' is it's inverse. Then
c=p*p' is a series that only has zero coefficients after the constant term.
Then creating the stream of (coefficient, exponent)-pairs, i.e. calling
terms(c) leads to a stream that cannot compute its second entry.
http://fricas.github.io/api/UnivariatePowerSeriesCategory.html#l-univariate-power-series-category-terms
I suppose the same is true for sinx^2+cosx^2, where sinx and cosx are the
series for sin(x) and cos(x), right?
Andrey
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