physics/vb-to-mathbf

Level

AuthoringFaithfulCorpusEquivFaithful, Corpus, and Equiv apply this rule.

Fidelity

renderPreserves rendering under the reference renderer.

Package

physics

Source

physics/faithful/vector_expand/vb_to_mathbf.rs (opens in new tab)

Triggers

\vb command

Eliminates

\vb command

Produces

\mathbf, \boldsymbol commands

Rewrite patterns#

1. vb\vb{#1}\mathbf{#1}
2. vb-star\vb*{#1}\boldsymbol{#1}

Examples#

Each example shows this rule applied in isolation. A complete normalization profile may make additional changes.

\vb{p}=mv

\mathbf{p}=mv

\vb*{p}+\vb*{\alpha}

\boldsymbol{p}+\boldsymbol{\alpha}

Related rules#

Upstream rules#

• physics/vectorbold-to-vb Collapse vectorbold to the short vb helper.

Same family#

• physics/derivative-to-dv Collapse derivative to the compact dv command.
• physics/functional-derivative-to-fdv Collapse long functional derivative names to the fdv command.
• physics/partial-derivative-to-pdv Collapse long partial derivative names to the pdv command.
• physics/vectorarrow-to-va Collapse vectorarrow to the short va helper.
• physics/vectorbold-to-vb Collapse vectorbold to the short vb helper.
• physics/vectorunit-to-vu Collapse vectorunit to the short vu helper.
• physics/dv-to-frac-d Expand dv forms to explicit d-based derivative fractions.
• physics/fdv-to-frac-delta Expand fdv forms to explicit delta-based derivative fractions.
• physics/pdv-to-frac-partial Expand pdv forms to explicit partial-derivative fractions.
• physics/va-to-vec-mathbf Canonicalize va to an explicit vec-wrapped mathbf form.
• physics/vu-to-hat-mathbf Canonicalize vu to an explicit hat-wrapped mathbf form.

Notes#

The star branch is not equivalent to plain mathbf: physics VectorBold uses bold-italic styling and includes lowercase Greek. This rule maps that branch to boldsymbol because it matches the rendered physics output for both Latin and Greek symbols.

Disable this rule#

TransformEngine(profile="corpus", disable_rules=["physics/vb-to-mathbf"])

new TransformEngine({ profile: 'corpus', disableRules: ['physics/vb-to-mathbf'] })

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