deniscr

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2 years, 244 days
Universidade Federal do Espírito Santo

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These are questions asked by deniscr

I have the following expression

I would like to know if is it possible avoid negative exponent goes to denominator when I use expand().

Thank you!

 

 

 

 

 

 

Does anyone know how collect zero epsilon coefficient from follow expression?

coeff_test.mw

Is it possible?

Thank you!

Dear all,

I have the following metric

Is there any way to make the terms dt dphi and dphi dt not symmetric?

Denis

 

 

 

Hello everyone!

Does anyone know if it is possible define a metric like the metric below?

 

 

Thanks in advance!

Hello everyone!

I am trying to calculate the Killing vectors for the metric below. For such, I used the packages DifferentialGeometry and Physics. However, I found different results these packages. Could someone explain why?

Thanks in advance!

killing_test1.mw

killing_test2.mw

 

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