code: def solve(a, b):
      a = convert_to_tensor(a)
      b = convert_to_tensor(b)
      return np.linalg.solve(a, b)
  
imports: import numpy
  from keras.backend import standardize_dtype
  from keras.backend.jax.math import fft
  from keras.backend.jax.math import fft2
  from keras.backend.numpy.core import convert_to_tensor
  from keras.utils.module_utils import scipy
label_desc: Use image node_id 17 for calling a global function with example usage: solve(a, b) and returns: np