text: #!/bin/sh
  
  #  Script.py
  #  
  #
  #  Created by Tung Nguyen on 4/30/19.
  #  http://scipy-lectures.org/intro/scipy/auto_examples/plot_curve_fit.html
  # https://www.math.arizona.edu/~tgk/541/chap1.pdf
  # https://docs.scipy.org/doc/scipy/reference/generated/scipy.optimize.curve_fit.html
  # https://www.researchgate.net/figure/Correlation-length-as-a-function-of-temperature-for-a-simulation-of-the-Ising-Model-Near_fig4_225375861
  
  
  import pylab as py
  from scipy import optimize
  import numpy as np
  import matplotlib.pyplot as plt
  
  data = np.loadtxt("list 0.5 - 3.5 .txt", float)
  x_data = data[:,0]
  y_data = data[:,1]
  
  py.scatter(x_data,y_data)
  py.xlabel("Temperature")
  py.ylabel("Magnitude")
  py.show()
  