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Matt Pitkin edited We_can_define_the_Fourier__.tex
over 8 years ago
Commit id: a2d7d790c4b163a54053794885dd8b7a1edec10e
deletions | additions
diff --git a/We_can_define_the_Fourier__.tex b/We_can_define_the_Fourier__.tex
index a557c29..31762cf 100644
--- a/We_can_define_the_Fourier__.tex
+++ b/We_can_define_the_Fourier__.tex
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\begin{equation}
z^3 + C = 2\pi\left((f_k-f)t + \frac{t^2}{2}\dot{f}_k + \frac{t^3}{6}\ddot{f}_k \right).
\end{equation}
If we use $z = At + B$, then $z^3 = A^3t^3 + 3A^2Bt^2 + 3AB^2t + B^3$.
Firstly, we can factor it into sine and cosine parts to give
\begin{align}