How to use varphi(𝜑) symbol in LaTeX?

By Parvez / Symbols / September 8, 2023

Introduction Install latex editor Create first document Craete first document \documentclass command Insert package in doc Text and paragraph formatting Text bold Text italic Text underline Line Breaks Text Alignment Paragraph Indent Section and Chapter Latex section Latex subsection Latex chapter Add style in section Insert list Oderd list Unordered list Nested list Multicolumn list Add style on list Insert figure or image Insert image Change size of figure Add caption and subcaption Add border or frame around figure Insert figures in multicolumn layout Insert rotating figures with caption Insert table in document Insert table Caption and subcaption Adjust column width and row height Merge columns Merge rows Change border style Rotating table with caption Color table

No package is required to print the varphi symbol in a latex document. You just need to use the default command \varphi.

Symbol/Unicode	Varphi/U+1D711
Type of symbol	Greek small letter
Package (requirement)	No
Argument	No
Latex command	`\varphi`
Example	`\varphi` → 𝜑

\documentclass{article}
\begin{document}
   \[ \varphi x(t)=\mathrm{E}\left[e^{itX}\right] \]
   \[ \varphi x(-it)=M_X (t) \]
   \[ \varphi _{X}(t)=\mathrm{E}\left[\exp \left(i\int _{\mathbf {R} }t(s)X(s)\,ds\right)\right] \]
\end{document}

Output :

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