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Re: Dot Product in Cylindrical Coordinates

In article <edm0rl$cj0$1 at>,
 "David Park" <djmp at> wrote:

> I still want to keep this alive. Perhaps the terminology is ambiguous?

Answer this, when Sergio says the vector {1,Pi/4,0} is in Cylindrical 
Coordinates what, exactly, do you think he means? Again, I highlight the 
Pi/4 in the second position.

Also, I am not defending the VectorAnalysis package. Indeed, I prefer to 
use the Symbolic Vector Analysis package developed by Hong Qin, 
available at

After loading this package, (naively) declaring the two vectors as

  A = DefineVector[1, 1, Pi/4, 0]; B = DefineVector[1, 2, 0, 1]; 


  DotProduct[A, B]


All of the issues that you raise are resolved by using Qin's package.


Paul Abbott                                      Phone:  61 8 6488 2734
School of Physics, M013                            Fax: +61 8 6488 1014
The University of Western Australia         (CRICOS Provider No 00126G)    

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