python_program/piecewise_fun.py at main · SSiwach/python_program · GitHub

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import numpy as np
  return np.sin(1.0/x)
x1 = linspace(-1,1,10)
x2 = linspace(-1,1,1000)
plot(x1,f(x1),label = '%d points' %len(x))
plot(x2,f(x2),label = '%d points' %len(x))