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Merge pull request #34 from tfjgeorge/jaco_revamp
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Jaco revamp
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tfjgeorge committed Nov 17, 2021
2 parents e2b3b26 + 7758d9c commit 1970601
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139 changes: 139 additions & 0 deletions docs/derivations/grads.lyx
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#LyX 2.3 created this file. For more info see http://www.lyx.org/
\lyxformat 544
\begin_document
\begin_header
\save_transient_properties true
\origin unavailable
\textclass article
\use_default_options true
\maintain_unincluded_children false
\language english
\language_package default
\inputencoding auto
\fontencoding global
\font_roman "default" "default"
\font_sans "default" "default"
\font_typewriter "default" "default"
\font_math "auto" "auto"
\font_default_family default
\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100 100
\font_tt_scale 100 100
\use_microtype false
\use_dash_ligatures true
\graphics default
\default_output_format default
\output_sync 0
\bibtex_command default
\index_command default
\paperfontsize default
\use_hyperref false
\papersize default
\use_geometry false
\use_package amsmath 1
\use_package amssymb 1
\use_package cancel 1
\use_package esint 1
\use_package mathdots 1
\use_package mathtools 1
\use_package mhchem 1
\use_package stackrel 1
\use_package stmaryrd 1
\use_package undertilde 1
\cite_engine basic
\cite_engine_type default
\use_bibtopic false
\use_indices false
\paperorientation portrait
\suppress_date false
\justification true
\use_refstyle 1
\use_minted 0
\index Index
\shortcut idx
\color #008000
\end_index
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
\paragraph_indentation default
\is_math_indent 0
\math_numbering_side default
\quotes_style english
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\tracking_changes false
\output_changes false
\html_math_output 0
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\html_be_strict false
\end_header

\begin_body

\begin_layout Standard
WeightNorm1d
\end_layout

\begin_layout Standard
\begin_inset Formula
\begin{align*}
y_{i} & ^{\left(t\right)}=\left\langle \frac{w_{i}}{\left\Vert w_{i}\right\Vert _{2}},x{}^{\left(t\right)}\right\rangle \\
& =\left\langle \left\langle w_{i},w_{i}\right\rangle ^{-\frac{1}{2}}w_{i},x{}^{\left(t\right)}\right\rangle
\end{align*}

\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula
\begin{align*}
\frac{\partial L}{\partial w_{i}} & =\sum_{t}\frac{\partial\ell^{\left(t\right)}}{\partial w_{i}}\\
& =\sum_{t}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(t\right)}}\frac{\partial y_{i}^{\left(t\right)}}{\partial w_{i}}\\
& =\sum_{t}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(t\right)}}\left(\frac{1}{\left\Vert w_{i}\right\Vert _{2}}x^{\left(t\right)}-w_{i}\left\langle w_{i},w_{i}\right\rangle ^{-\frac{3}{2}}\left\langle w_{i},x^{\left(t\right)}\right\rangle \right)\\
& =\frac{1}{\left\Vert w_{i}\right\Vert _{2}}\sum_{t}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(t\right)}}\left(x^{\left(t\right)}-\frac{w_{i}}{\left\langle w_{i},w_{i}\right\rangle }\left\langle w_{i},x^{\left(t\right)}\right\rangle \right)
\end{align*}

\end_inset


\end_layout

\begin_layout Standard
WeightNorm2d
\end_layout

\begin_layout Standard
\begin_inset Formula
\begin{align*}
y_{i} & ^{\left(s,t\right)}=\left\langle \frac{w_{i}}{\left\Vert w_{i}\right\Vert _{2}},x{}^{\left(s,t\right)}\right\rangle \\
& =\left\langle \left\langle w_{i},w_{i}\right\rangle ^{-\frac{1}{2}}w_{i},x{}^{\left(t\right)}\right\rangle
\end{align*}

\end_inset


\end_layout

\begin_layout Standard
\begin_inset Formula
\begin{align*}
\frac{\partial L}{\partial w_{i}} & =\sum_{t}\frac{\partial\ell^{\left(t\right)}}{\partial w_{i}}\\
& =\sum_{t}\sum_{s}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(s,t\right)}}\frac{\partial y_{i}^{\left(s,t\right)}}{\partial w_{i}}\\
& =\sum_{t}\sum_{s}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(s,t\right)}}\left(\frac{1}{\left\Vert w_{i}\right\Vert _{2}}x^{\left(s,t\right)}-w_{i}\left\langle w_{i},w_{i}\right\rangle ^{-\frac{3}{2}}\left\langle w_{i},x^{\left(s,t\right)}\right\rangle \right)\\
& =\frac{1}{\left\Vert w_{i}\right\Vert _{2}}\sum_{t}\sum_{s}\frac{\partial\ell^{\left(t\right)}}{\partial y_{i}^{\left(s,t\right)}}\left(x^{\left(s,t\right)}-\frac{w_{i}}{\left\langle w_{i},w_{i}\right\rangle }\left\langle w_{i},x^{\left(s,t\right)}\right\rangle \right)
\end{align*}

\end_inset


\end_layout

\end_body
\end_document

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