# Tagged Questions

Questions on dealing with series data and constructing power series expansions of functions.

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### Taylor series representation function? [duplicate]

Is there a built in Taylor series representation function in Wolfram Mathematica? For Example: ...
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### How do I do Cauchy product of infinite series?

I have two series and want their Cauchy product series as a result. For instance, I want to multiply Sum[1,{x,0,Infinity}] to Sum[2,{x,0,Infinity}] The directConvolve method does not work, ...
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### How to find the derivative value at $(\pi,0)$ for this implicit function $n$ times?

I am trying to take the implicit derivative at $\sin(x+y)+\sin(x)=y$ and substitute $x=\pi$ and $y=0$ at least 6-7 times since I need to find the Taylor series for this function. Since I barely ...
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### Getting rid of sub-exponential terms in an asymptotic expansion for a modified Bessel function

I am trying to get Mathematica to produce suitable asymptotic expansions for some modified Bessel functions at large argument (more specifically, the expansion in the DLMF's eq. (10.40.1)), and I'm ...
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### Why does merely writing SeriesData[] with zeros give an error, even if it is never called?

Bug introduced in 8.0 or earlier and persisting through 10.4.1 Why does the code Function[t, SeriesData[t, 0, {0}, 0, 1, 1]] give me the following error? <...
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