I want to use inverse function of the normal cumulative distribution function with mean 0 and varicance 1 in stan file.

How to wrtie in C++ ?

\Phi() = `Phi()`

\Phi()^{-1} =???

I want to use inverse function of the normal cumulative distribution function with mean 0 and varicance 1 in stan file.

How to wrtie in C++ ?

\Phi() = `Phi()`

\Phi()^{-1} =???

`inv_Phi()`

I appreciate !! I am not sure how and where I could get such information.

The index to the functions manual or

```
rstan::lookup("qnorm")
```

1 Like

I appreciate you for letting me know and also sorry for bothering you.