Vectorization: Can it be used in my case?

Interfaces RStan
1

Hi,

I am using a user defined log likelihood function in my Rstan code. The full code is:

. To make it faster, I wrote the code in a second format as:

. The second code does not work. The first one works fine.

Can anyone say what is wrong with this second case? I am naive in stan. Any help would be appreciated.

2

Umm, at least for me there is no code showing here. Not in the text and nothing attached. Just wanted to let you know.

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