+ Ai RtR#)cFaVP4pRV, oV3RlpV#)a Compute the Jacobi preconditioner function for the matrix A. Parameters ---------- A: np.array Input matrix to compute the Jacobi preconditioner for. Returns ------- precondition_matvec: function Function which applies the Jacobi preconditioner to a vector Example ------- >>> from pymatting import * >>> import numpy as np >>> A = np.array([[2, 3], [3, 5]]) >>> preconditioner = jacobi(A) >>> preconditioner(np.array([1, 2])) array([0.5, 0.4]) g?c<VS,#)N)xinverse_diagonals&]/var/www/html/photoedit/myenv/lib/python3.14/site-packages/pymatting/preconditioner/jacobi.pyprecondition_matvec#jacobi..precondition_matvecs###)diagonal)Ar rrs& @rjacobir s'.zz|HX~$ r N)r rr rrs r