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  1. # -*- coding: utf-8 -*-
  2. """
  3. Created on Wed Jan 15 12:09:55 2020
  4.  
  5. @author: ZUISA
  6. """
  7.  
  8.  
  9. import matplotlib.pyplot as plt
  10. import math
  11. import numpy as np
  12.  
  13.  
  14. def f(x):
  15.     return -x**2+5*x+2.2
  16.  
  17.  
  18.  
  19. def lewy_prostokat(a,b):
  20.     return(b-a)*f(a)
  21.    
  22. def srodkowy_prostokat(a,b):
  23.     x0=(a+b)/2
  24.     return(b-a)*f(x0)
  25.    
  26. def prawy_prostokat(a,b):
  27.     return(b-a)*f(b)
  28.    
  29. def trapez(a,b):
  30.     return ((b-a)/2)*(f(a)+f(b))
  31.    
  32.  
  33. a=1
  34. b=2
  35. x=np.arange(-100,100,0.1)
  36.  
  37.  
  38. lew=lewy_prostokat(a,b)
  39.  
  40. srod=srodkowy_prostokat(a,b)
  41.  
  42. praw=prawy_prostokat(a,b)
  43.  
  44.  
  45.  
  46. print(lew, srod , praw)
  47. plt.plot(x,f(x),"--",lew,"o",srod,"o",praw,"o")
  48. plt.show()
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