I need to custom math equation numbering with equation alignment. It should look like this:
Now, I use two equations and I need to align “=” on eq.2 manually as follows:
(Note that this is just an example)
#set math.equation(number-align: bottom, numbering: "(1.1)")
$
f(x) &= (x+1)^2 \
&= x^2 + 2x + 1 \
$ <eq:1>
$
" "= integral x^2 + 2x + 1
$<eq:2>
Look at @eq:1, #lower([#lorem(10)]) Look at @eq:2, #lower([#lorem(10)])
How to do this using one equation only? Thank you.
You could use equate – Typst Universe which offers shared alignment blocks. Would that cancel the need to have everything in one equation only? Line numbering can also be configured.
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Oh, thank you for your suggestion.
Problem solved.
#import "@preview/equate:0.3.2": equate
#show: equate.with(breakable: true, sub-numbering: true, number-mode: "label")
Complete code required to comply exactly with your request. Note the addition of share-align and the position of <eq:1>.
#import "@preview/equate:0.3.2": equate, share-align
#show: equate.with(breakable: true, sub-numbering: false, number-mode: "label")
#set math.equation(numbering: "(1.1)")
#share-align[
$
f(x) & = (x+1)^2 \
& = x^2 + 2x + 1#<eq:1>
$
$
& = integral x^2 + 2x + 1
$<eq:2>
Look at @eq:1, #lower([#lorem(10)]) Look at @eq:2, #lower([#lorem(10)])
]
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