from math import from tkinter import def II return I1 int x-X1 I2-I1 X

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
from math import *
from tkinter import *
def II(x):return I1+int((x-X1)*(I2-I1)/(X2-X1))
def JJ(y):return J2+ int((y-Y1)*(J1-J2)/(Y2-Y1))
def F(x):
if x == 0: f = 1
else: f = abs(sin(x)/x)
return f*cos(10*x)
X1 = -5*pi;X2 = 5*pi
Y1 = -1.2;Y2 = 1.2
I1 = 0; J1 = 0
I2 = 500;J2 = 500
n = 25
h = (X2-X1)/n
root = Tk()
root.title('График функции F(x) = sin(x)/x, -5*pi <= x <= 5*pi')
canv = Canvas(root, width = I2,height = J2, bg = 'green')
canv.create_line(II(0),JJ(Y1),II(0),JJ(Y2),width = 2)
canv.create_line(II(X1),JJ(0),II(X2),JJ(0),width = 2)
points = []
x = X1
for i in range(n):
y = F(x)
P = (II(x),JJ(y))
points.append(P)
x = x+h
canv.create_line(points,width = 1,fill = 'yellow',smooth = 1)
canv.create_text(40,480,text = "Xmin = "+str(int(100*X1)/100))
canv.create_text(460,480,text = "Xmax = "+str(int(100*X2)/100))
canv.create_text(210,480,text = "Ymin = "+str(int(100*Y1)/100))
canv.create_text(210,20,text = "Ymaxn = "+str(int(100*Y1)/100))
canv.pack()
root.mainloop()