code: def spm_full_matrix(x2, y2):
      rhs = to_inv[:, :]
      rhs[:, 1] = x2
      lhs = inv_lhs[:, :]
      lhs[:, 1] = y2
      return lhs * rhs.inv()
  
imports: import numpy
  import sympy
  from sympy import Matrix, Symbol, eye, ones, symbols, zeros
label_desc: Use image node_id 3 for calling a global function with example usage: spm_full_matrix(x2, y2) and returns: unknown