Added scipy version for graphs

graph_scipy.py

+# -*- coding: utf-8 -*-
+
+from scipy.integrate import solve_ivp
+import matplotlib.pyplot as mpl
+
+Pr = 0.01
+f_2_0 = 1
+th_1_0 = -0.07
+        
+
+def couche_lim(eta, f):
+    return (f[1],f[2],-3*f[0]*f[2] + 2*(f[1]**2) - f[3], f[4],-3*Pr*f[0]*f[4])
+    
+
+
+if __name__ == "__main__":
+    print("Couche limite de vitesses")
+    sol = solve_ivp(couche_lim, (0,30), [0,0,f_2_0,1,th_1_0])
+    mpl.plot(sol.t,sol.y[1], label = "f'(η)")
+    mpl.plot(sol.t,sol.y[3], label = "θ(η)")
+    mpl.legend()
+    mpl.show()
\ No newline at end of file