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Math equation sign $$ is not disappearing in r markdown output


Comments in MarkdownCross-reference (named anchor) in markdownGitHub relative link in Markdown fileView markdown files offlineSet margin size when converting from Markdown to PDF with pandocChanging image size in MarkdownMarkdown: continue numbered listHow do I debug errors in pandoc conversion of Latex equations to MS Word?“Erroneous nesting of equation structures” in using “beginalign” in a multi-line equation in rmarkdown to knit+pandoc pdfGitHub satanically messing with Markdown - changes 666 to DCLXVI













1















I am trying to write a distribution using matrices.



My knowledge is that to display mathematical symbols using LaTeX syntax, I need to use $$ signs. Thus I wrote,



$$
beginalign
beginpmatrix
x_i \
epsilon_i
endpmatrix
sim
Nbeginpmatrix
beginpmatrix
1 \
0 \
endpmatrix,

beginpmatrix
3 & 0 \
0 & 1 \
endpmatrix
endpmatrix
endalign
$$


This works well but I realized that $$ is not needed in this case. $$ is left out in the output file. So I had to delete $$ at both ends to remove them in the output file.



However, this disables mathematical equation block in the Rmd file and as a result, preview of the syntax is not showing anymore and it is more confusing to read Rmd file since there is no distinction from normal texts.



Why do I not need to specify $$ in this case?
and why is $$ not disappearing in the output file?










share|improve this question
























  • What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

    – Daniel Sobrado
    Mar 8 at 5:20











  • It means that the code returns output properly without $$.

    – Daniel Cho
    Mar 8 at 6:04











  • #dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

    – Daniel Cho
    Mar 8 at 6:06











  • Do you want to convert to PDF or HTML?

    – J_F
    Mar 8 at 20:27















1















I am trying to write a distribution using matrices.



My knowledge is that to display mathematical symbols using LaTeX syntax, I need to use $$ signs. Thus I wrote,



$$
beginalign
beginpmatrix
x_i \
epsilon_i
endpmatrix
sim
Nbeginpmatrix
beginpmatrix
1 \
0 \
endpmatrix,

beginpmatrix
3 & 0 \
0 & 1 \
endpmatrix
endpmatrix
endalign
$$


This works well but I realized that $$ is not needed in this case. $$ is left out in the output file. So I had to delete $$ at both ends to remove them in the output file.



However, this disables mathematical equation block in the Rmd file and as a result, preview of the syntax is not showing anymore and it is more confusing to read Rmd file since there is no distinction from normal texts.



Why do I not need to specify $$ in this case?
and why is $$ not disappearing in the output file?










share|improve this question
























  • What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

    – Daniel Sobrado
    Mar 8 at 5:20











  • It means that the code returns output properly without $$.

    – Daniel Cho
    Mar 8 at 6:04











  • #dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

    – Daniel Cho
    Mar 8 at 6:06











  • Do you want to convert to PDF or HTML?

    – J_F
    Mar 8 at 20:27













1












1








1


1






I am trying to write a distribution using matrices.



My knowledge is that to display mathematical symbols using LaTeX syntax, I need to use $$ signs. Thus I wrote,



$$
beginalign
beginpmatrix
x_i \
epsilon_i
endpmatrix
sim
Nbeginpmatrix
beginpmatrix
1 \
0 \
endpmatrix,

beginpmatrix
3 & 0 \
0 & 1 \
endpmatrix
endpmatrix
endalign
$$


This works well but I realized that $$ is not needed in this case. $$ is left out in the output file. So I had to delete $$ at both ends to remove them in the output file.



However, this disables mathematical equation block in the Rmd file and as a result, preview of the syntax is not showing anymore and it is more confusing to read Rmd file since there is no distinction from normal texts.



Why do I not need to specify $$ in this case?
and why is $$ not disappearing in the output file?










share|improve this question
















I am trying to write a distribution using matrices.



My knowledge is that to display mathematical symbols using LaTeX syntax, I need to use $$ signs. Thus I wrote,



$$
beginalign
beginpmatrix
x_i \
epsilon_i
endpmatrix
sim
Nbeginpmatrix
beginpmatrix
1 \
0 \
endpmatrix,

beginpmatrix
3 & 0 \
0 & 1 \
endpmatrix
endpmatrix
endalign
$$


This works well but I realized that $$ is not needed in this case. $$ is left out in the output file. So I had to delete $$ at both ends to remove them in the output file.



However, this disables mathematical equation block in the Rmd file and as a result, preview of the syntax is not showing anymore and it is more confusing to read Rmd file since there is no distinction from normal texts.



Why do I not need to specify $$ in this case?
and why is $$ not disappearing in the output file?







r latex markdown knitr pandoc






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 8 at 7:03









jay.sf

6,22031841




6,22031841










asked Mar 8 at 4:50









Daniel ChoDaniel Cho

1771110




1771110












  • What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

    – Daniel Sobrado
    Mar 8 at 5:20











  • It means that the code returns output properly without $$.

    – Daniel Cho
    Mar 8 at 6:04











  • #dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

    – Daniel Cho
    Mar 8 at 6:06











  • Do you want to convert to PDF or HTML?

    – J_F
    Mar 8 at 20:27

















  • What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

    – Daniel Sobrado
    Mar 8 at 5:20











  • It means that the code returns output properly without $$.

    – Daniel Cho
    Mar 8 at 6:04











  • #dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

    – Daniel Cho
    Mar 8 at 6:06











  • Do you want to convert to PDF or HTML?

    – J_F
    Mar 8 at 20:27
















What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

– Daniel Sobrado
Mar 8 at 5:20





What do you mean with "This works well but I realized that $$ is not needed in this case. "? Why it is not needed?

– Daniel Sobrado
Mar 8 at 5:20













It means that the code returns output properly without $$.

– Daniel Cho
Mar 8 at 6:04





It means that the code returns output properly without $$.

– Daniel Cho
Mar 8 at 6:04













#dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

– Daniel Cho
Mar 8 at 6:06





#dww, if I remove 'align', matrices and N and ~ signs do not align properly. What can I do to fix them?

– Daniel Cho
Mar 8 at 6:06













Do you want to convert to PDF or HTML?

– J_F
Mar 8 at 20:27





Do you want to convert to PDF or HTML?

– J_F
Mar 8 at 20:27












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