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We know that we don't need to write f\left(x\right) instead of f(x)

But when you deal with something(that contains fraction, sum or int) like f(a+i\dfrac{b-a}{n}), you have to change it to left-right alignment form like f\left(a+i\dfrac{b-a}{n}\right)

So now imagine there are thousands of formulas like I described above in a large LaTeX document(only formulas and no packages). If you check one by one and correct the latter one into left-right alignment, it will take you a lot of time. Is it ok to make all the parentheses and brackets into left-right alignment in such a document(by using regex)?

SundayLi
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  • In general, raising brackets are applied for fraction, sum and int, etc. symbols comes and for matrices, etc. – MadyYuvi Mar 23 '23 at 03:23
  • @MadyYuvi Yes, I know. I just give an example. – SundayLi Mar 23 '23 at 03:24
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    Are you familiar with the posting Is it ever bad to use \left and \right? I'd say that the premise in your claim that "... you have to change it to left-right alignment form" is wrong: In addition to \left and \right, there is also \bigl, \Bigl, \biggl, and \Biggl along with \bigr, \Bigr, \biggr, and \Biggr. – Mico Mar 23 '23 at 03:52
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    Welcome to TeX.SE! "Is it ok..." <- You are the one who decides what is OK for your document. Others can only give advice, and my guess is that there will mainly be advice against. – mickep Mar 23 '23 at 06:33
  • in your first sentence you say you don't need left right in f(X) but more than that, it is wrong to use it as it gives unneeded horizontal space – David Carlisle Mar 23 '23 at 07:14

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