We have $f(z)=z+ \sum_{n=2}^{\infty} a_{n}z^{n}$ where $a_{n}$ is a constant and $g(z)=z$, $(f*g)(z)$ is equal to what? i still wondering to confirm that $(f*g)(z)=z$.
Solution for this Convolution
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0Nothing special about $a_n$? – 2011-10-21
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0@J.M., it just a constant.. – 2011-10-21
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0Can you write down a formula for $f*g$? – 2011-10-21
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0Your solution is wrong. If you write out how you got there, someone may be able to tell you where you went wrong. Also, do you literally mean "$a_n$ is a constant" in the singular, or do you mean "the $a_n$ are constants"? – 2011-10-21
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0@joriki: i'm sorry, the $a_{n}$ are constants. how to convolute them since $g(z)=z$ which do not have any series of $a_{n}z_{n}$ – 2011-11-25
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1@Norlyda. It is a homework question, or is it your conjecture? – 2013-11-16