Upload files to "ex2C_peclet_problem"

ex2C_peclet_problem/main.py

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+import numpy as np
+import matplotlib.pyplot as plt
+
+def u(x,p):
+    return (np.exp(p*x) - 1)/(np.exp(p) - 1)
+
+x = np.linspace(0, 1, 200)
+
+
+plt.figure(figsize=(8, 5))
+for p in [ -3, -1, -0.5, 0.5,  2,  4]:
+    plt.plot(x, u(x, p), label="p ="+ str(p))
+
+plt.xlabel('x')
+plt.ylabel('u(x)')
+plt.legend()
+plt.grid(True)
+plt.show()