argmin parameter and text below it?

Question

argmin parameter and text below it?

Anonymous

I am trying to write the equation shown below in a Microsoft Word document: I have tried to write something like this: but when I export the Word doc as a pdf I don't get the same results as the first picture. I have seen other posts like this for example, but either I was doing something wrong or the solution is not relevant to my problem.

How can I write the equation of the first image in the Word document?

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Answer 1

Here are the linear and "professional" displays of the equation as I was able to construct it in Word for Microsoft 365:

When I saved the document as PDF (using Save As, not Export), it looks the same:

The main difference in the linear display is that I used the expanding parentheses (from the Bracket gallery on the Equation ribbon) and used the alias \of after the function name f instead of the \funcapply keyword (which I think was in the wrong place). The alias is described in section 3.5 of Unicode Nearly Plain Text Encoding of Mathematics.