changelog
    
    
    - Sun, 21 Apr 2024 22:35:03 +0300
 
    - by Neil Dizon <neil.dizon@helsinki.fi> [Sun, 21 Apr 2024 22:35:03 +0300] rev 25
 
    - added fv_plot
 
    - Sun, 21 Apr 2024 21:00:57 +0300
 
    - by Neil Dizon <neil.dizon@helsinki.fi> [Sun, 21 Apr 2024 21:00:57 +0300] rev 24
 
    - renamed generate_radon as generate_sinogram
 
    - Sun, 21 Apr 2024 20:42:43 +0300
 
    - by Neil Dizon <neil.dizon@helsinki.fi> [Sun, 21 Apr 2024 20:42:43 +0300] rev 23
 
    - added plotting functions