http://www.mth.uct.ac.za/omei/gr/chap7/node3.html [Broken](adsbygoogle = window.adsbygoogle || []).push({});

Shouldn't eq 45 have a minus sign, looking at eq 29.

Although I'm confused because the positive sign makes sense when comparing with the Newton-Poisson equation.

I can't see a sign error in eq 29.

(I believe the metric signature here is (-,+,+,+))

Anyone?

thanks..

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# Weak Field approximation -- quick sign question

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