How to make fraction's content bigger? #1116

RafailFridman · 2023-05-05T13:13:03Z

RafailFridman
May 5, 2023

Hi, I have this compound fraction:
(sum_i (x_i mu_i)/sigma_i^2)/(sum_i (mu_i^2)/sigma_i^2)
It is currently being rendered as

While in latex, with the use of \dfrac I can get this:

Notice how in latex the content in the inside fractions has a larger relative size wrt the fraction itself than in typst.
Is there a way to enlarge it?

Thanks

Answered by Enivex

May 5, 2023

Here's an implementation of dfrac.

#set math.equation(numbering: "(1)")
#let nonumeq = math.equation.with(block: true, numbering: none)
#let dm(x) = box[#nonumeq[#x]]
#let dfrac(x,y) = math.frac(dm(x),dm(y))
$ dfrac( frac(2 S^2,V^2 sum_i (mu_i^2)/(sigma_i^2)) mu_i V^2 , 2 S^2 sigma_i^2) $

If you also want the inner fraction to be display math, then you just change the frac to a dfrac and get

View full answer

Enivex · 2023-05-05T13:26:19Z

Enivex
May 5, 2023
Collaborator

Try

$ #box[$ sum_i (x_i mu_i)/(sigma_i^2) $]/(#box[$ sum_i (mu_i^2)/sigma_i^2 $]) $

(If you really want to you can move the sum symbols out of the box, but then they look way too small, like in your latex example)

4 replies

RafailFridman May 5, 2023
Author

Thank you!
In this case it works, but it does not seem to help with a more complicated fraction:
$ ((2 S^2)/(V^2 sum_i (mu_i^2)/(sigma_i^2)) mu_i V^2)/(2 S^2 sigma_i^2) $

$ #box[$ ((2 S^2)/(V^2 sum_i (mu_i^2)/(sigma_i^2)) mu_i V^2) $]/#box[$ (2 S^2 sigma_i^2) $] $

Enivex May 5, 2023
Collaborator

That's likely because you gave it an equation number.

I'm not sure what the intended behavior is. You could consider opening an issue.

Enivex May 5, 2023
Collaborator

Here's an implementation of dfrac.

#set math.equation(numbering: "(1)")
#let nonumeq = math.equation.with(block: true, numbering: none)
#let dm(x) = box[#nonumeq[#x]]
#let dfrac(x,y) = math.frac(dm(x),dm(y))
$ dfrac( frac(2 S^2,V^2 sum_i (mu_i^2)/(sigma_i^2)) mu_i V^2 , 2 S^2 sigma_i^2) $

If you also want the inner fraction to be display math, then you just change the frac to a dfrac and get

Answer selected by RafailFridman

RafailFridman May 5, 2023
Author

Thank you!

Qazalbash · 2026-02-23T12:14:17Z

Qazalbash
Feb 23, 2026

How to enable this behaviour globally?

0 replies

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