- Thread starter
- #1
That's a [linear...] system of two equation in the unknown variables $\alpha_{n}$ and $\beta_{n}$...\begin{align}
\alpha_nb^n +\beta_nb^{-n}=A_n\\
\alpha_na^n +\beta_na^{-n}=C_n
\end{align}
How does one go from that to
$$
\alpha_n = \frac{A_n/a_n - C_n/b^n}{(b/a)^n-(a/b)^n}
$$
and
$$
\beta_n = \frac{a^nC_n - b^nA_n}{(b/a)^n-(a/b)^n}
$$
I do know that, but every time I solve it, I don't get the correct answer. I even put it into full version Mathematica and Wolfram online and it just returns an error.That's a [linear...] system of two equation in the unknown variables $\alpha_{n}$ and $\beta_{n}$...
Kind regards
$\chi$ $\sigma$