How to use latexify for scipy.special.expit ?

[Vector-Cross]

I want to latexify scipy.special.expit In jupyter lab.
What should I do?

import latexify
from scipy.special import expit

@latexify.with_latex
def f(x):
    return expit(x)

f

[odashi]

@Vector-Cross Thanks for posting the issue.

We need more information about the expected behavior. I think this function could be expressed as different forms:

• $\sigma(x)$
• $\frac{1}{1 + \exp(-x)}$
• $\mathrm{expit}(x)$

either choice would be correct according to the situation (i.e., someone wants a specific form, but someone doesn't want it)

[Vector-Cross]

Thanks for reply.
I wonder if there is a method that can be expressed in the second form.
Otherwise I have to redefinition sigmoid function by myself.

[odashi]

@Vector-Cross Great. At this point we have no options to expand composite functions, but we could provide something (namely expand_functions boolean option). It may be useful for other functions, e.g., hypot atan2. Let me work on this later.