calibcant/overview.tex: Add V_p, \sigma_p, and \pi to the nomenclature

Mom pointed out that they were missing.

diff --git a/src/calibcant/overview.tex b/src/calibcant/overview.tex
index 9b8c5983da924ac8d770f2391146515f37ce87ac..08004f32b23cbb45f05c9f6e723970deeff01d34 100644 (file)
--- a/src/calibcant/overview.tex
+++ b/src/calibcant/overview.tex
@@ -29,6 +29,11 @@ keeping $V_p$ and $\sigma_p$ separate in our calculation of $\kappa$,
 we can gauge the relative importance errors in each parameter and
 calculate the uncertainty in our estimated $\kappa$
 (\cref{sec:calibcant:discussion:errors}).
+%
+\nomenclature{$V_p$}{The vertical photodiode deflection voltage
+  (\cref{fig:afm-schematic,eq:x-from-Vp}).}
+\nomenclature{$\sigma_p$}{The linear photodiode sensitivity to
+  cantilever displacement (\cref{fig:afm-schematic,eq:x-from-Vp}).}
 
 In order to filter out noise in the measured value of $\avg{V_p^2}$ we
 fit the measured cantilever deflection to the expected theoretical
@@ -53,6 +58,8 @@ value for $V_p$ is given by
   \end{equation}}
 \nomenclature{$f$}{Frequency (hertz)}
 \nomenclature{$f_0$}{Resonant frequency (hertz)}
+\nomenclature{$\pi$}{Archmides' constant, $\pi=3.14159\ldots$.  The
+  ratio of a circle's circumference to its diameter.}
 
 Combining \cref{eq:equipart_k,eq:x-from-Vp,eq:avg-Vp-Gone-f}, we
 have