10.29.3 Can you answer these questions?

10.29.3.1 Riemann tensor from tetrad formalism

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=306669

I would like to write a Mathematica notebook to perform a repetitive tensorial calculation. 
In particular, I am trying to compute the Riemann tensor for a given metric using the tetrad formalism. I ... 
[tensors] [differential-geometry]
 

asked by mat5teo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=99025 Score of 1

10.29.3.2 Cannot recover Marginal Distribution from Product Distribution

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=306543

In this simple example MarginalDistribution is unable to recover the marginal distribution from a Product Distribution. Why does it fail? 
Start with a simple empirical distribution (It is a discrete ... 
[probability-or-statistics] [distributions]
 

asked by user46831 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=46831 Score of 1

10.29.3.3 How can I copy large output without showing it all?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=306658

I want to copy some cell as 'Cell Expression', more precisely, by using 'Edit -> Copy As -> Cell Expression'. 
However, whenever I try to do this for large output, I first need to click 'show all'... 
[copy-as]
 

asked by sansae https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=101493 Score of 1