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RE: Derivatives in math mode


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  • From: "Forringer, Ted" <address@hidden>
  • To: <address@hidden>
  • Subject: RE: Derivatives in math mode
  • Date: Thu, 22 May 2003 11:59:17 -0500
> You may type "d space y" for "d applied to y". In fact,
> you rather *should* type "d tab tab space y". Indeed,
> the upright "d" stands for the differentiation operator.

Thanks for the response, but I am afraid I still cannot get what I need.

"d <space> y" does give something that looks OK, and it would be
appropriate for the top of the differential because the differential
operator 'd/dx' is applied to 'y'. But for the 'dx' on the bottom 'd' is
not being applied to 'x' but the whole thing is part of one operator
'd/dx' so 'd <space> x' looks wrong to me.

Also, it may be a cultural difference, but every math and physics
textbook I have in my office uses a italic 'd' in the differentials, not
an upright one, so using the 'd<tab>' is not going to help me. (On my
system 'd<tab><tab>' gives the partial differential which is also not
what I am looking for.)

Maybe I am wrong, that is OK with me, I am just wondering 'can it be
done?' Can I have two letters in a row in math mode where both letters
are italics and there is no extra space between them?

Thanks again.

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