How to define a metric tensor in 3-d (r, theta, phi)

Question:How to define a metric tensor in 3-d (r, theta, phi)

Posted: lemelinm 1450 Product: Maple 2015

December 21 2016

Helle everybohy,

I need to setup a metric tensor in 3-d but with the varalble r, theta and phi . So I try this:

>with(Physics); Setup(mathematicalnotation = true, dimension = 3)

>Setup(coordinates = spherical[r, theta, varphi], metric = M)

where M is the metric that I need to use. But the last command does not work. Il I don't write [r, theta, varphi], it work but it's r, theta and t.

Any hint on this please?

Thank you in advance for your help.

Mario Lemelin

mario.lemelin@cgocable.ca

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