title: how to plot a value in the tensor using matplotlib
body: <p>I have tensor of shape (50,1024) , 50 is the batch size and 1024 is the time samples of signal amplitudes. how to plot one signal from the batch of 50 ? here is a code snippet i tried something similar to that i do in Matlab but that dont work for me. It shows error</p>
  
  <pre><code>t = np.arange(0.,1024.,1.)
  plt.plot(t,x[1,:])
  plt.title('original')
  plt.show()
  </code></pre>
  
  <p>how to plot multiple figures in python ? </p>
  
  <p>I have to plot three variables x,y,z </p>
  
  <pre><code>t = np.arange(0.,1024.,1.)
  plt.figure(1)
  plt.plot(t,x[1,:])
  plt.title('original')
  plt.figure(2)
  plt.plot(t[1:64],y[1,:])
  plt.title('encoded')
  plt.figure(3)
  plt.plot(t,z[1,:])
  plt.title('reconstructed')
  </code></pre>