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0

I have a simple perceptron, with 8 points and 2 groups, 4 points in each. I have while loop and for inside. In this for loop I have block of code that draw points and line, it continues untill line correctly divides area with one group of point on one side and the other group on the ohter side. It works correctly, but I'm new to pyplot and only way I can do it is by creating dozens of plots and then look at each one by exiting plot one by one. I want to be able to observe "live" how the line changes it's position and stop at the end. I looked a lot, but no way seems to work or because some errors in matplotlib catalog or my data for line is in different/wrong style.

Here's how it looks like:

x1 = [-3,-2,0,2,-2,0,2,3] #entry1
x2 = [-4,1,1,2,-4,-2,1,-4] #entry2
t = [-1,-1,-1,-1,1,1,1,1] #exit
w = [-1,-1,-1] #weights

 #plot(points):
 for l in range(0,n):
 if t[l] == -1:
 col = 'ro'
 else:
 col = 'bo'
 plt.plot(x1[l],x2[l],col)

 #plot (line):
 xx = np.linspace(-3.5,3.5,100)
 yy = ((-1*xx*w[0])-w[2])/w[1]
 plt.plot(xx,yy,'-g')
 probka = j+1
 title = str('Iteration'+str(i)+' (attempt'+str(j)+' from 7)')
 plt.title(title)
 plt.ylabel('entry x2')
 plt.xlabel('entry x1')
 plt.grid()
 plt.show()

If full code is needed I can give it. Just need the simplest way, maybe some pause function?

matplotlib animation dynamic live

share|improve this question

asked Mar 8 at 22:13

KubaJamesKubaJames

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  matplotlib.org/api/_as_gen/matplotlib.pyplot.pause.html ?
  
  – Jody Klymak
  Mar 8 at 23:10
  

  
  
  
  

add a comment | 

0

I have a simple perceptron, with 8 points and 2 groups, 4 points in each. I have while loop and for inside. In this for loop I have block of code that draw points and line, it continues untill line correctly divides area with one group of point on one side and the other group on the ohter side. It works correctly, but I'm new to pyplot and only way I can do it is by creating dozens of plots and then look at each one by exiting plot one by one. I want to be able to observe "live" how the line changes it's position and stop at the end. I looked a lot, but no way seems to work or because some errors in matplotlib catalog or my data for line is in different/wrong style.

Here's how it looks like:

x1 = [-3,-2,0,2,-2,0,2,3] #entry1
x2 = [-4,1,1,2,-4,-2,1,-4] #entry2
t = [-1,-1,-1,-1,1,1,1,1] #exit
w = [-1,-1,-1] #weights

 #plot(points):
 for l in range(0,n):
 if t[l] == -1:
 col = 'ro'
 else:
 col = 'bo'
 plt.plot(x1[l],x2[l],col)

 #plot (line):
 xx = np.linspace(-3.5,3.5,100)
 yy = ((-1*xx*w[0])-w[2])/w[1]
 plt.plot(xx,yy,'-g')
 probka = j+1
 title = str('Iteration'+str(i)+' (attempt'+str(j)+' from 7)')
 plt.title(title)
 plt.ylabel('entry x2')
 plt.xlabel('entry x1')
 plt.grid()
 plt.show()

If full code is needed I can give it. Just need the simplest way, maybe some pause function?

matplotlib animation dynamic live

share|improve this question

asked Mar 8 at 22:13

KubaJamesKubaJames

11

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  matplotlib.org/api/_as_gen/matplotlib.pyplot.pause.html ?
  
  – Jody Klymak
  Mar 8 at 23:10
  

  
  
  
  

add a comment | 

I have a simple perceptron, with 8 points and 2 groups, 4 points in each. I have while loop and for inside. In this for loop I have block of code that draw points and line, it continues untill line correctly divides area with one group of point on one side and the other group on the ohter side. It works correctly, but I'm new to pyplot and only way I can do it is by creating dozens of plots and then look at each one by exiting plot one by one. I want to be able to observe "live" how the line changes it's position and stop at the end. I looked a lot, but no way seems to work or because some errors in matplotlib catalog or my data for line is in different/wrong style.

Here's how it looks like:

x1 = [-3,-2,0,2,-2,0,2,3] #entry1
x2 = [-4,1,1,2,-4,-2,1,-4] #entry2
t = [-1,-1,-1,-1,1,1,1,1] #exit
w = [-1,-1,-1] #weights

 #plot(points):
 for l in range(0,n):
 if t[l] == -1:
 col = 'ro'
 else:
 col = 'bo'
 plt.plot(x1[l],x2[l],col)

 #plot (line):
 xx = np.linspace(-3.5,3.5,100)
 yy = ((-1*xx*w[0])-w[2])/w[1]
 plt.plot(xx,yy,'-g')
 probka = j+1
 title = str('Iteration'+str(i)+' (attempt'+str(j)+' from 7)')
 plt.title(title)
 plt.ylabel('entry x2')
 plt.xlabel('entry x1')
 plt.grid()
 plt.show()

If full code is needed I can give it. Just need the simplest way, maybe some pause function?

matplotlib animation dynamic live

share|improve this question

asked Mar 8 at 22:13

KubaJamesKubaJames

11

x1 = [-3,-2,0,2,-2,0,2,3] #entry1
x2 = [-4,1,1,2,-4,-2,1,-4] #entry2
t = [-1,-1,-1,-1,1,1,1,1] #exit
w = [-1,-1,-1] #weights

 #plot(points):
 for l in range(0,n):
 if t[l] == -1:
 col = 'ro'
 else:
 col = 'bo'
 plt.plot(x1[l],x2[l],col)

 #plot (line):
 xx = np.linspace(-3.5,3.5,100)
 yy = ((-1*xx*w[0])-w[2])/w[1]
 plt.plot(xx,yy,'-g')
 probka = j+1
 title = str('Iteration'+str(i)+' (attempt'+str(j)+' from 7)')
 plt.title(title)
 plt.ylabel('entry x2')
 plt.xlabel('entry x1')
 plt.grid()
 plt.show()

share|improve this question

asked Mar 8 at 22:13

KubaJamesKubaJames

11

share|improve this question

asked Mar 8 at 22:13

KubaJamesKubaJames

11

asked Mar 8 at 22:13

KubaJamesKubaJames

11

asked Mar 8 at 22:13

KubaJamesKubaJames

11