On 6/15/25 00:38, Waldek Hebisch wrote:
Attached is a little package which converts a stream of coefficients
of a Taylor series into continuous C-fraction. This package is
somewhat releated to PadeApproximants, but I was unable to use
PadeApproximants to do what I wanted, so I created a new package.
In fact, I had similar problems in my QEtaPackage, so I created my own
Taylor series implementation by setting the variable to q and the point
of expansion to 0.
https://github.com/hemmecke/qeta/blob/master/src/qetaser.spad#L143
That works well for me, since I don't need other expansion points.
But I remember that I had problems writing a coerce between my domain
and UnivariateTaylorSeries.
In fact, you do the similar thing in mantepse.spad.
https://github.com/fricas/fricas/blob/master/src/algebra/mantepse.spad#L25
Maybe, it is time to add domains for Taylor, Laurent, and Puiseux series
which work similar in spirit like SUP, i,e. no variable and no expasion
point.
Ralf
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