trappmartin / pctex

Collection of useful latex commands

pctex

Collection of useful latex commands for working with probabilistic circuits (PCs).

For general math, see shortex

Commands

General/Misc

• Log-sum-exp \lse{i=1}{k}
• \poly{N}
• Independent RVs X_1 \indepsym X_2 or \indep{X_1}{X_2}
• Cond. independent RVs \cindep{X_1}{X_2}{X_3}

General graphs

• Graph \graph
• Walk \walk
• Tree \tree
• Vertex set \vset(\graph)
• Edge set \eset(\graph)
• Node/nodes \node, \nodes
• Child/children: \cnode, \cnodes
• Children of a node: \ch{\node}
• Parents of a node: \pa{\node}
• Neighbours: \neigh{\node}

Probabilistic Circuits

• Probabilistic circuit: \pc
• Scope function: \scopesym, \scope{\node}
• v-tree: \vtree
• Sum node/nodes: \snode, \snodes
• Product node/nodes: \pnode, \pnodes
• Leaf node/nodes: \lnode, \lnodes
• Region/regions: \region, \regions
• Partition/partitions: \partition, \partitions
• Region-graph: \rg

Tikz / Plotting

Plotting is based on an adaptation of tikzlibraryspn.code.tex by Nicola Di Mauro and Antonio Vergari.

Reference of provided node type styles:

% Internal nodes
\node[sum] {}; % sum node
\node[prod] {}; % prod node
\node[max] {}; % max node
\node[land] {}; % logic and node
\node[lor] {}; % logic or node

% Leaf nodes
\node[cont] {}; % continuous/gaussian node
\node[bern] {}; % bernouli node
\node[cat] {}; % categorical node

% Generic node style for customization
\node[pcnode] {\large$\top$};