Let's say I wish to use IEEEeqnarray to typeset an equation like the following: enter image description here

Obviously I can do this by manually inserting lots of spacing commands, but I would prefer to be able to do this by specifying the column alignment when the IEEEeqnarray environment is started. So I have been experimenting with various alignment options such as


but can I only achieve an equation typeset similar to enter image description here

How can I do this through the allignment option?

  • Do you want y=x... left-aligned and +gg.. right-aligned? Is you y=x... really that wide? Perhaps a more practical example would be helpful. – Werner Nov 11 '13 at 6:01
  • If that is a single equation try multline environment from amsmath. See, e.g., tex.stackexchange.com/a/134447/27635 – karlkoeller Nov 11 '13 at 6:05

Do you remember about ampersands?



 && {}+gggggggggggggggggggggg


enter image description here

Please observe not only big C for proper spacing around =, but also {} for proper spacing around + in the second line.

  • I remember the ampersands but have not seen their use in conjunction with {}. Thanks; just what I was after. – Freakalien Nov 11 '13 at 9:05
  • The {} is to position "+" as a binary operator, I suppose. If you remove it, it shifts the "+" a little bit closer to the ggggg.... expression. With the {} in place, it does not print anything, but it gives a little extra of space between "+" and gggggg... – Diego Dias Sep 17 '17 at 23:25

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