I am writing a guide page on solving a matrix equation (set of linear equations) for SymPy, which is built on mpmath. I would like to include an intersphinx link to mpmath's lu_solve so that SymPy's documentation will be robust against changes to mpmath's documentation. I would appreciate your help in creating an intersphinx link.

1. First, is there an API documentation link in the mpmath docs for lu_solve? My search for "lu_solve" found the matrices page, whose Linear equations section discusses lu_solve. But I didn't find an API documentation link for lu_solve.
   • If there is no such API documentation, my fallback option will be to link to https://mpmath.org/doc/current/matrices.html#linear-equations, which could break if the mpmath documentation structure is changed.
2. If yes, what is the code path to lu_solve, which I believe is a method (rather than a function)? For example, I can create an intersphinx link to isinf using mpmath.isinf. For lu_solve, I tried all of the following without success:
   • mpmath.matrices.linalg.LinearAlgebraMethods.lu_solve
   • mpmath.LinearAlgebraMethods.lu_solve
   • mpmath.lu_solve