R: Convert the input string to LaTex and display it on the...

to_latex {lazy.symbolic}

R Documentation

Convert the input string to LaTex and display it on the RStudio viewer

Description

Convert the input string to LaTex and display it on the RStudio viewer

Usage

to_latex(
  expr_str,
  dollar = TRUE,
  mat2sum = FALSE,
  simple_mat2sum = FALSE,
  print_html = FALSE,
  undef_Greek = c("strip", "keep", "initial")
)

Arguments

expr_str

The input expression as a string

dollar

= FALSE to omit the encompassing dollar signs

mat2sum

= TRUE if the input expression contains summation

simple_mat2sum

= TRUE if the input expression contains summation and the simpler LaTeX is prefered

print_html

= TRUE to display the result in RStudio's Viewer pane.

undef_Greek

Character string specifying how to handle undefined Greek macros (e.g., \Zeta). Use '"strip"' to print them as plain strings (e.g., '\Zeta' → '"Zeta"'), or '"initial"' to print only their initial character (e.g., '"Z"').

Details

This function requires htmltools package when print_html=TRUE.

Value

LaTeX expression of expr

Author(s)

Contributed by Dr. Kentaro Fukushima of Osaka University.

Examples

modify_math_operators()
A <- demomat(2,3, root="a")
B <- demomat(3,2, root="b")
AB=A%*%B
printm(AB)
AB_tex <- to_latex( AB )
printm(AB_tex)

sexpr <- mat2sum( "A%*%B+C" )
printm(sexpr)
sexpr_tex <- to_latex( sexpr, mat2sum=TRUE )

## Not run: 
library(htmltools)
print_tex_as_html(AB_tex)
AB_tex <- to_latex( t(A)+B, print_html=TRUE )
sexpr_tex <- to_latex( sexpr, mat2sum=TRUE, print_html=TRUE )
sexpr_tex <- to_latex( sexpr, simple_mat2sum=TRUE, print_html=TRUE )

## End(Not run)

[Package lazy.symbolic version 1.0.0.20250701 ]