class_docstr: The problem of fitting thermistor parameters to data, [1]_.
  
  Number of variables --- 3, number of residuals --- 16, no bounds.
  
  .. [1] Brett M. Averick et al. "The MINPACK-2 Test Problem Collection",
         p. 28
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code: def jac(self, x):
      J = np.empty((self.m, self.n))
      e = np.exp(x[1] / (self.t + x[2]))
      J[:, 0] = e
      J[:, 1] = x[0] / (self.t + x[2]) * e
      J[:, 2] = -x[0] * x[1] * (self.t + x[2]) ** -2 * e
      return J
  
imports: import inspect
  import sys
  import numpy
  from numpy.polynomial.chebyshev import Chebyshev
  from scipy.integrate import odeint
label_desc: Use image node_id 3 for calling the ThermistorResistance obj's underlying member method code with example usage: obj.jac(x) and returns: J