code: def setup(self, n_samples, method):
      r_samples = n_samples / 2.0
      self.x = np.arange(-r_samples, r_samples, 0.25)
      self.y = np.arange(-r_samples, r_samples, 0.25)
      self.xx, self.yy = np.meshgrid(self.x, self.y)
      self.z = np.sin(self.xx**2 + self.yy**2)
  
imports: import numpy
  from .common import run_monitored, set_mem_rlimit, Benchmark, safe_import
label_desc: Use image node_id 1 for calling the Interpolate2d obj's underlying member method code with example usage: obj.setup(n_samples, method) without return types