Integral Notation Question

  • #1

Main Question or Discussion Point

I saw this notation in a textbook but I'm a bit confused by it. What exactly does the 3 mean? Is it shorthand for a triple integral in spherical coordinates?

[tex]\int{d^3 r}[/tex]

Thanks in advance.
 

Answers and Replies

  • #2
mathman
Science Advisor
7,756
413
It means a triple integral, not necessarily in any particular coordinate system.
 

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